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expalin surds and it's form in detail.

A,B,C can do a piece of work in 2 days. If A starts work and after 3 days B joins, the work was completed in 3 more days . B takes 2 more days with respect to C to complete the work. In how many days B alone can complete the twice work with double efficiency?

Q)1light yr=.....m

The difference between compound interest and simple interest on a sum for 2 year at 20% per annum is Rs 200. If the interest is compounded halfyearly, then what is the difference (in Rs) between compound and simple interest for 1st year?

How to think in series while take a mock test

hindi m kese hoga

dear sir ,

can you share the only previous questions paper with answer of GK and GS??

Sumit purchase two watches for rs. 17334. Hr sold first watch at 6% loss and seco d at 8% profit and found that the loss amount is equal.to the profit amount. Then find the difference between the cost priceof both watches?

a:b=2:3, c:d=4:5, d:e=3:1, a:d=2:5, find ab+cd/BC+de

this is one of a question in cracku ratio test. in the solution, while calculating bc+de, you have divided 25x square/3 and taken LCM. why have u divided it by 3 ?

x-1/x=3
find
x^4-1/x^4.