Questions

A and B together can finish a work in 30 days. They worked for it for 20 days and then B left the work. The remaining work was done by A alone in 20 days more. In how many days can A alone finish the work?

The amount of Rs. 10,000 after 2 years, compounded annually with the rate of interest being 10% per annum during the first year and 12% per annum during the second year, would be (in rupees)

The diagonal of a square is 10√2 cm, find its perimeter?

Two circles touch each other internally. The radius of the larger circle is 6 cm and the distance between the centre is 2 cm, then the radius (in cms) of the other circle is

Find the odd word/letters/number pair from the given alternatives.

Who was the first Indian to win the 52nd Capablanca Memorial Chess tournament at at Cuba?

A ball, thrown vertically upward, rises to a height of 80 m and returns to its original position. The magnitude of its displacement after 7 s of motion will be ____. (take g = 10 m/s2)

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. Ifa sentence is free from error, select 'No Error'.

The scientific need for simple, stable and internationally (1)/ accepted systems for naming objects of the natural world has been (2)/ generated many formal nomenclatural systems. (3)/ No error (4)