[PPSC Cooperative Society Inspector 2022]

36. A snail is at the bottom of a 20 meter deep pit. Every day the snail climbs 5 meters upwards, but at night it slides 4 meters back downwards. How many days does the snail take to reach the top of the pit ?

[PPSC Cooperative Society Inspector 2022]

37. Pipe A fills a tank of 700 litres capacity at the rate of 40 litres a minute. Another pipe B fills the same tank at the rate of 30 litres a minute. A pipe at the bottom of the tank drains the tank at the rate of 20 litres a minute. If pipe A is kept open for a minute and then closed and pipe B is kept open for a minute and then closed and then pipe C is kept open for a minute and then closed and the cycle repeated, how long will it take for the empty tank to overflow ?

[PPSC Cooperative Society Inspector 2022]

38. What least number must be added to 1056, so that the sum is completely divisible by 23 ?

[PPSC Cooperative Society Inspector 2022]

39. There are five books A, B, C, D and E placed on a table. If A is placed below E, C is placed above D, B is placed below A and D is placed above E, then
which of the following books touches the surface of the table ?

[PPSC Cooperative Society Inspector 2022]

40. Write the following in a logical sequence :