A sum of money amounts to Rs. 4,840 in 2 years and to Rs. 5,324 in 3 years at compound interest (compounded annually). The rate of interests per annum is

Study the following graph carefully to answer the given questions

A is twice efficient as B and together they do the same work in as much time as T and V together. In how many days A can complete the work individually?

42 cm a circular wire of diameter is folded into a rectangle whose sides are in the ratio 6: 5. What will be the area of the rectangle?

What should come in place of the question mark '?' in the following number series?

17, 52, 158, 477, ? , 4310

The difference between the compound interest and simple interest on a certain sum at the rate of 5% p.a in 3 years is Rs. 15.25. The sum is:

In a two - digit number, the digit at the unit's place is 1 less than twice the digit at the ten's place. If the digits at units and ten's place are interchanged, the difference between the new and the original number is less than the original number by 20. The original number is: 

ABCD is a rhombus whose one angle is 60°.Find the ratio of the lengths of its diagonal?

If find x when y=1