Exams

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?

Who is the Bengali writer who won the 31st Moortidevi Award for the year 2017?

'Battery' is related to 'Terminals' in the same way as 'Magnet' related to ___.

In a bag, the ratio of red balls to green balls is 4:9. If 7 more red balls are added to the bag, the ratio of red balls to green balls will become 5:6. How many green balls are there in the bag?

Who devised the policy of Doctrine of Lapse?

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

If two complementary angles are in the ratio of 2:3, find the ratio of square of smaller angle to square of greater angle.

Which acid is secreted by certain glandular cells in the stomach lining?