GRE Maths Practic Paper

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Link:

http://www.ziddu.com/download/6145834/GREmathPractice.pdf.html

Best of Luck 

 find out if a number is divisible by seven(7):

Take the last digit, double it, and subtract it from the rest of the 

number. 

If the answer is more than a 2 digit number perform the above 

again. 

If the result is 0 or is divisible by 7 the original number is also 

divisible by 7. 

Example 1 )   259 

9*2= 18. 

25-18 = 7 which is divisible by 7 so 259 is also divisible by 7. 

Example 2 ) 2793 

3*2= 6 

279-6= 273 

now 3*2=6 

27-6= 21 which is divisible by 7 so 2793 is also divisible by 7 . 

Now find out if  following are divisible by 7 

1) 2841 

2) 3873 

3) 1393 

4) 2877

& 

Download

Oxford Dictionary of Idioms

Link:

http://www.ziddu.com/download/6488352/OxfordDictionaryofIdioms.pdf.html

TO FIND SQUARE OF A  NUMBER BETWEEN 40 to 50

Sq (44) . 

1) Subtract the number from 50 getting result A. 

2) Square A  getting result X. 

3) Subtract A from 25 getting result Y 

4) Answer is xy 

EXAMPLE 1 : 44 

50-44=6 

Sq of 6 =36 

25-6 = 19 

So answer 1936 

EXAMPLE 2 : 47 

50-47=3 

Sq 0f 3 = 09 

25-3= 22 

So answer = 2209 

NOW TRY To Find Sq of 48 ,26 and 49

& also Download Vedic Shortcut Maths Book 

to make youe Maths Make Easy.

Link

http://www.ziddu.com/download/6488353/VedicMath.pdf.html