Script for Time And Work Rules

If A can do a piece of work in n days, then Time And Work Rules
The work done by A in one day = 1/n

If A is twice as good a workman as B, then A will take half of the time taken by B to complete a piece of work.

If A and B together can do a piece of work in x days, B and C together can do in y days and C and A together can do in z days, then the same work can be done.

This rule can be used in almost every problems.

If M₁ persons can do W₁ work in D₁ days and M₂ persons can do W₂ works in D₂days then we can say
M₁D₁W₂ = M₂D₂W₁

If the persons work T₁ and T₂ hours per day respectively then the equation gets modified to
M₁D₁T₁W₂ = M₂D₂T₂W₁

If the persons has efficiency of E₁ and E₂ respectively then,
M₁D₁T₁E₁W₂ = M₂D₂T₂E₂W₁

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Advance Maths 

Maths (Only Daily Test)

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Script for english for competitive exam

Useful English for Competitive exams

Examples of nouns

• Person 

He is the person to see.
Plato was an influential Greek philosopher.
Sharon admires her grandfather.
My mother looks a lot like my grandmother, and I look very much like them. Jagruti started to write.

• Place

Look! There’s the beautiful flower. 

The hostel is close.
Let’s go to the restaurant.
Go there.
Come here.

• Idea

Follow the rules.

Love is a wonderful emotion.
The theory of relativity is an important concept.

• Thing

Throw the ball.
Please open the door.
Use words properly to be understood.
The lamp sits on a table next to the sofa.
Money doesn’t grow on trees.

• Animal 

The dog barked at the men.
Elephants never forget.

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Get ready for English grammar of competitive exam with kachhua..

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Daily English (MCQ Test Series)

Complete English

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Script for Useful maths tricks for competitive exam

How to find a CUBE ROOT of number

13824
Step 1: Now to find the unit place of the cube root always remember the following points
1.If the Last digit of a cube root is 8 than the unit digit will be 2.
2.If the Last digit of a cube root is 2 than the unit digit will be 8.
3.If the Last digit of a cube root is 3 than the unit digit will be 7.
4.If the Last digit of a cube root is 7 than the unit digit will be 3.
5.If the Last digit of a cube root is other than 2,3,7,8 than put the same number as the unit digit.
Now the unit digit will be 4

Step 2: Now strike the last 3 digits of the given number.
13824

Step 3: Now find the nearest square of the first 2 digit from the left
Now the nearest cube is 8

Step 4: now 8 is the cube root of 2
Therefore the ten’s place digit is 2
So the answer will be 24

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Kachhua can help you to prepare well in competitive exam by providing online material , video lectures and regular online tests(provided with Auto result and Daily solution)...

click the below link for preparation of Mathematics with kachhua..

Advance Maths
Maths (Only Daily Test) 

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Script for English for competitive exam

Are you preparing for competitive exam and are you poor in English grammar???Here is the solution...!!! 

English grammar verb rules :

Shortcut Rule 1 : If the subject is of the third person, singular number (He, She, It) add 'S' or 'es / ies' to the first form of the verb to make it singular number.

·         She plays the violin every day.

·         He loves his parents

·         The dog barks at the people.

·         The bird flies in the Sky.

·         He does his duty.

Shortcut Rule 2 : The following verbs are not usually used in the continuous form. See / Smell / Feel / Hear / Notice / Recognize / See / Think / Agree / Believe / Consider / Remember / Hope / Understand / Mind / Suppose / Hate / Love / Know / Have / Want / Forgive / Keep / Prevent etc. But they may be used in continuous forms in a particular cases.

• He has a telephone connection
• The flower smells sweet (you can say I am smelling this flower)

Shortcut Rule 3 : The present perfect tense should not be used with adverbs indicating past time. Instead the simple past tense should be used.

• I saw a film last night.
• He left for Hyderabad last week.

Shortcut Rule 4 : The present perfect tense with "For or Since" is used to express an action began at some time in the past and is still continuing up to the time of speaking or just finished.

•  I have know him since 1986.
• Our teacher has been sick for the last two days.

Shortcut Rule 5 : The present perfect continuous Tense" is also used for actions began in the past and are still continuing.

• I have been reading this novel since morning.
• They have been going to English classes for the last one month.

Shortcut Rule 6 : When the first action led to the second action immediately The simple Past Tense + Simple Past Tense are used.

·         When he opened the gate, they came in.

Shortcut Rule 7 : When the first action completed before the second one started, the Past Perfect Tense for the first finished action and the Simple Past Tense for the Second are used.

The patient had died before the doctor arrived.

Shortcut Rule 8 : After negative sentences, the question tag used should be in an ordinary interrogative form.

• She did not like that book, did she?
• They have not told him the news, Have they?

Shortcut Rule 9 : After Positive Statements, we use the negative interrogative.

• I am a student, Aren't I?
• Let's play for some Time, Shall We?

Shortcut Rule 10 : When the verb in the principal clause is in a past tense, the verbs in the subordinate clauses are normally in the Past Tense.

• He said that he would pass the examination.
• They told me that they had paid the fees.

Kachhua.com can help you to prepare well in competitive exam by providing online material , video lectures and regular online tests(provided with Auto result and Daily solution)...

Get ready for English grammar of competitive exam with kachhua..

Click the below links for do preparation of english...

Daily English (MCQ Test Series) 

Complete English 

English grammar is also helpful in Standard 6 to 10...Do Online preparation of std. 6 to 10 on your mobile or PC...

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Standard 6  
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Standard 8  
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Script for English Antonyms for competitive exam

Now a days, antonyms are asked generally in all competitive exams...So Here is the list of Antonyms....

Important List of ANTONYMS for Competitive exams

Absent – Present

Achieve – Fail

Brave – Cowardly

Brief – Long

Bright – Dull

End – Begin

Even – Odd

Evening – Morning

Happy – Sad

Hard – Soft

Last – First

Laugh – Cry

Less – More

Maximum - Minimum

Mix – Separate

Moist – Dry

Visible - Invisible

Wax - Wane

Wealth – Poverty

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What does kachhua provide?

Video lecture : Here we provide videos in which all important topics are included.By these videos you can learn everything at your home.There is no requirement to go to any coaching class.

Material : Here we provide Online Competitive exam material,which you can read in your PC or mobile.

Test and solution : Here we provide daily online test. The solutions of these tests are also provided,by which you can test yourself that how much you learned and can improve your performance by more practice and preparation.

Click the below links for do preparation of english...

Daily English (MCQ Test Series) 

Complete English 

English grammar is also helpful in Standard 6 to 10...Do Online preparation of std. 6 to 10 on your mobile or PC...

Click the below links and fill the form for online preparation of std. 6 to 10...

Standard 6  

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Standard 9 

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Script for Useful maths formula for competitive exam

Useful maths formula for competitive exam

Algebra:

● Laws of Indices:

(i) a^m ∙ aⁿ = a^{m + n}

(ii) a^m/aⁿ

(iii) (a^m)ⁿ = a^mn

(iv) a⁰ = 1 (a ≠ 0).

(v) a^{- n} = 1/aⁿ

(vi) ⁿ√a^m = a^m/n

(vii) (ab)^m = a^m ∙ bⁿ.

(viii) (a/b) ^m = a^m/bⁿ

(ix) If a^m = b^m (m ≠ 0), then a = b.

(x) If a^m = aⁿ then m = n.

● Arithmetical Progression (A.P.):

(i) The general form of an A. P. is a, a + d, a + 2d, a+3d,.....

where a is the first term and d, the common difference of the A.P.

(ii) The nth term of the above A.P. is t_n = a + (n - 1)d.

(iii) The sum of first n terns of the above A.P. is s = n/2 (a + l) = (No. of terms/2)[1st term + last term] or, S = ⁿ/₂ [2a + (n - 1) d]

(iv) The arithmetic mean between two given numbers a and b is (a + b)/2.

(v) 1 + 2 + 3 + ...... + n = [n(n + 1)]/2.

(vi) 1² + 2² + 3² +……………. + n² = [n(n+ 1)(2n+ 1)]/6.

(vii) 1³ + 2³ + 3³ + . . . . + n³ = [{n(n + 1)}/2 ]².

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Kachhua can help you to prepare well in competitive exam by providing online material , video lectures and regular online tests(provided with Auto result and Daily solution)...

click the below link for preparation of Mathematics with kachhua..

Advance Maths 

Maths (Only Daily Test)

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Standard 6 

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Learn easy maths tricks with fun

Easy Maths Tricks with fun

Now, Learn Maths with fun by your fingers. If you have problems remembering the multiplication table of 9, try this finger math trick:

• Open both of your hands, extending your fingers, in front of you.
• To multiply 9 by 5, fold down your fifth finger from the left.
• Get the answer to 9 by 5 by counting your fingers on either side of the bent finger and combining them: 4 and 5 makes 45.
• To multiply 9 by 6, fold down your sixth finger from the left, and on.
• Get the answer to 9 by 6 by counting your fingers on either side of the bent finger and combining them: 5 and 4 makes 54.

Now you can quickly remember the multiplication table of 9 all the way up to 9 times 10 with fun.

Play the same for the below multiplications

1 × 9 = ?

2 × 9 = ?

3 × 9 = ?

4 × 9 = ?

5 × 9 = ?

6 × 9 = ?

7 × 9 = ?

8 × 9 = ?

9 × 9 = ?

10 × 9 = ? Like this get many ideas of maths and score in the competitive exam with kachhua... Kachhua can help you to prepare well in competitive exam by providing online material , video lectures and regular online tests(provided with Auto result and Daily solution)... click the below link for preparation of Mathematics with kachhua.. Advance Maths Maths (Only Daily Test) Do Online preparation of std. 6 to 10 on your mobile or PC... Click the below links and fill the form for online preparation of std. 6 to 10...  Standard 6 Standard 7 Standard 8 Standard 9 Standard 10 Click Here For other competitive exams like TALATI, GPSC, UPSC, IBPS, CCC, SSC etc.

Script for Study tips

How can I do up-to-date study??

Study Tips and Strategies

Everyone is different. Different methods work for different people; the following are only suggestions on improving upon your current studying techniques.

• Pick a Place and Time: Find a comfortable and quiet place to study with good lighting and little distractions.

• Study Every Day: Don't try to do all your study the night before the exam. Instead space out your studying, review materials at least several times a week, focusing on one topic at a time.

• Plan your time: Space out your studying, you'll learn more by studying a little every day instead of waiting to cram at the last minute. By studying every day, the material will stay in your long-term memory but if you try to study at the last moment, the material will only reside in your short-term memory that you'll easily forget.

• Discover your learning style: Don't study later than the time you usually go to sleep, you may fall asleep or be tempted to go to sleep, instead try studying in the afternoon or early evening. If you are a morning person try studying in the morning.Start out by studying the most important information. Learn the general concepts first, don't worry about learning the details until you have learned the main ideas.Take notes and write down a summary of the important ideas as you read through your study material.Make sure that you understand the material well, don't just read through the material and try to memorize everything.If you choose to study in a group, only study with others who are serious about the exam.

• Revise: Revision is most important thing. It can help you to understand the concepts and help you to remember easily.

• Take Breaks: Take short breaks frequently. Your memory retains the information that you study at the beginning and the end better than what you study in the middle.

• Review and look after Yourself: Test yourself to find out what your weak and strong areas are..You can give Online tests and check yourself.

• Listen Music: Listening to relaxing music such as classical or jazz on a low volume can relieve some of the boredom of studying.

Students with better study methods and strategies score higher on their exams.So keep it in mind and start preparation.

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Are you preparing for std. 6 to 10??

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