1.

For a charity show, the total tickets sold were 420. Half of these tickets were sold at the rate of ₹ 5 each, one-third at the rate of ₹ 3 each and the rest for ₹ 2 each. What was the total amount received?

UPSC-2014

2.

A gardener has 1000 plants. He wants to plant them in such a way that the number of rows and the number of columns remains the same. What is the minimum number of plants that he needs more for this purpose?

UPSC-2013

3.

Five persons fire bullets at a target at an interval of 6, 7, 8, 9 and 12 seconds respectively. The number of times they would fire the bullets together at the target in an hour is

UPSC-2014

4.

What is the remainder when 91x92x93x94x95x96x97x98x99 is divided by 1261?

UPSC-2022

5.

What is the smallest number greater than 1000 that when divided by any one of the numbers 6, 9, 12, 15, 18 leaves a remainder of 3?

UPSC-2022

6.

Let p be a two-digit number and q be the number consisting of same digits written in reverse order. If pxq = 2430, then what is the difference between p and q?

UPSC-2022