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standard deviation of 11,12,13,14,15,16,17,18,19,20,21

All the numbers 411,752 and 1031 leaves same remainder 8 when divided by n.The value of n is

Two trains X and Y start from Jodhpur to Jaipur and from Jaipur to Jodhpur respectively . After passing each other they take 4hr 48min and 3hr 20 min to reach Jaipur and Jodhpur respectively . If X is moving at 45 km/hr the speed of Y is

It being rainy day I will decide to skip the work and stay at home

Hi can you share schedule for entire year for batch 4 ? Upto when we will complete our entire video lectures ?

A club has 256 members of whom 144 can play football, 123 can play tennis, and 132 can play cricket. Moreover, 58 members can play both football and tennis, 25 can play both cricket and tennis, while 63 can play both football and cricket. If every member can play atleast one game, than number of members who only play tennis is?

How to ask quant queries if I have questions from other books as well...??

All mirror are phones.
Some phones are gadgets.
All gadgets are mirrors.

I don't know English..are u provide me in hindi paper

The difference between compound interest and simple
interest on Rs. X at 6.5% per annum for 2 years is Rs. 33.80.
What is the value of x?