[Jail Warder S-5 2021 ]
1. A sum of money becomes 216/125 times in 3 years at a certain rate of compound interest. Find the rate of interest ?
20
25
22
18
2. A cask contains a mixture of 49 litres of milk and water in the ratio of 5: 2. How much water must be added to it so that ratio of milk to water becomes 7:4?
3.5
6
7
4.5
3. If two numbers are in the ratio of 5:8 and if 9 is added to each number the ratio becomes 8:11, Find the smallest number.
9
10
15
12
4. What will come in place of the question mark (?) in the following number series ?
3, 6, 15, 42, 123, ?
381
372
366
347
5. A sum of Rs 800 becomes Rs 920 in 8 years at simple interest. If interest rate is increased by 8%, what will be the amount ?
1432
1232
1462
1562