Exams

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

If a mirror is placed on the line MN, then which answer figures is the right image of the given figure?

Who devised the policy of Doctrine of Lapse?

Who of the following is considered as the father of "Green Revolution"?

In ΔPQR measure of angle Q is 90°. If cosP = 5/13, and PQ = 2.5cm, then what is the length (in cm) of side PR?

What is the simplified value of 31253 + 4253 + 36753

A, B and C can complete a task together in 10 days. A and B would need 12 days if only the two of them worked, while B and C would take 20 days if only the two of them worked. If B worked alone, how many days would she take to complete the task?

Some girls can do a piece of work in 18 days. In how much time (in days) two times the number of such girls will complete thrice of the work?