[Jail Warder S-2 2021 ]

1. In a mixture of 35 L, the ratio of milk to water is 4:1. If 7 L water is added to the mixture, the ratio of milk to water changes to a new ratio. If we want ratio of milk and water to change back to the original value, how much milk is to be added now?

[Jail Warder S-2 2021 ]

2. How many of the following numbers are divisible by 3 but not by 9 ?

3144, 4389, 3426, 4236, 5187, 1329, 1347, 8349, 1116, 4272

[Jail Warder S-2 2021 ]

3. If 10 persons can clean 10 floors using 10 mops in 10 days, in how many days can 8 person clear 8 floors by 8 mops?

[Jail Warder S-2 2021 ]

4. If the difference between compound interest and simple interest on a certain sum of money at 12% per annum for 2 years is 72, find the amount.

[Jail Warder S-2 2021 ]

5. Find the next term in the following series.

323, 107, 35, 11, ...