How many multiples of 2 and 3 lie between the squares of 13 and 14?
What is the probability that a leap year has 53 Sundays and 52 Mondays?
The L.C.M. of two numbers is 48. The numbers are in the ratio 3: 2. Then sum of the number is:
On selling 17 items at Rs. 720, there is a loss equal to the cost price of 5 items. The cost price of an item is:
The measures of the angles of a triangle are in the ratio 2: 7: 11. Measures of the angles are ?
If n is a positive integer, then n(n + 1)(n – 1) is
In how many ways can a team of four be formed from four boys and three girls such that at least one boy and one girl should be there?
The length of a rectangle is increased by 60%. By what percent would the width have to be decreased to maintain the same area?
If 15 boys and 20 men take 4 days to do a peice of work and 12 boys and 13 men take 6days to do the same work , find the time taken by 2 men and 8 boys to complete the same work.
P and Q can complete a job in 12 days working together. Q and R can complete the job in 20 days working together. P and R can complete the job in 15 days working together. In how many days can P, Q, and R complete the job working together?