Every day, a factory making bats sends 1822 bats to the town market and 2390 bats to markets in other states. We know that a little more than 270 bats are remaining in the factory. If we know that the factory makes a perfect square number of bats every day, what is the smallest possible number of bats remaining in the factory?

A grocer purchased 80 kg of rice at Rs. 12 per kg and mixed it with 170 kg rice at Rs. 18 per kg. At what rate should he sell the mixture (per kg) to gain 18%?

A solid cylinder of radius 2 cm and height 21 cm is melted and re-shaped as a cuboid. If length and breadth of the cuboid are 11 cm and 4 cm respectively, find the height of the cuboid. (Assume π = 22/7)

Two taps A and B can fill a water tank in 20 and 10 hours respectively. If they are turned up alternatively for one hour each (staring with tap B), find the time taken to fill the tank.

The graph below shows the revenue (in crores) of two banks (A and B) for ten years. Find the revenue of A in the year when combined revenue was maximum.

Sabiha's roll number is a two digit number. Her friend Tasneem's roll number has the same digits as Sabiha's roll number, but with digits interchanged. If they add their roll number, and divide the sum by 11. Find the remainder of this division.

A.

0

B.

1

C.

2

D.

Can not be determined without knowing the roll number