[Jail Warder S-1 2021 ]

1. Amit sold a mobile at a gain of 31 %. Had it been sold at Rs.294 more then they gain would have been 38%. Find the cost price of mobile

[Jail Warder S-1 2021 ]

2. How many three digit numbers are divisible by 5 or 9?

[Jail Warder S-1 2021 ]

3. A bottle of milk contains of milk and the rest is water. How much of the mixture must be taken away and substituted by equal quantity of water so as to have half milk and half water?

[Jail Warder S-1 2021 ]

4. The average of next two numbers is 75. The average of first three numbers is 50. The average of next two numbers 75. The seventh number is 10 more than the sixth number and 10 less than the eighth number. What is the average of the seventh and eighth number?

[Jail Warder S-1 2021 ]

5. Find the wrong term in the following series.

6, 16,42, 110, 274, 690