Aptitude Question And Answer For All-II

21: Average age of students of an adult school is 40 years. 120 new students whose average age is 32 years joined the school. As a result the average age is decreased by 4 years. Find the number of students of the school after joining of the new students:
Answer: 240

22: The population of a town was 1,60,000 three years ago. If it increased by 3%, 2.5% and 5% respectively in the last three years, then the present population of the town is :
Answer: 1,77,366

23: After allowing a discount of 11.11% ,a trader still makes a gain of 14.28 % .at how many precent above the cost price does he mark his goods?
Answer: 28.56%

24: On sports day,if 30 children were made to stand in a column,16 columns could be formed. If 24 children were made to stand in a column , how many columns could be formed?
Answer: 20

25: On sports day, if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made to stand in a column, how many columns could be formed?
Answer: 20

26: The probability that a man will be alive for 25 years is 3/5 and the probability that his wife will be alive for 25 years is 2/3. Find the probability that only the man will be alive for
25 years.
Answer: 1/5

27: Consider the following statements: 1. The Administrative Reforms Commission (ARC) had recommended that the Department of Personnel of a State should be put under the charge of the Chief Secretary of the State. 2. Chief Secretary of a State is not involved in any manner in the promotion of State Civil officers to the All-India Services. Which of the statements given above is/are correct?
Answer: Only 1

28: Pipe A can fill in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40 mins.If all of them work together, find the time taken to fill the tank
Answer: 17 1/7 mins

29: If x=y=2z and xyz=256 then what is the value of x?
Answer: 8

30: Which number is the odd one out? 9678 4572 5261 3527 7768
Answer: 3527

Aptitude Question And Answer For All-I

11: A sum of Rs. 427 is to be divided among A, B and C in such a way that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal. The share of C is
Answer: Rs.84

12: Find what the next letter is. Please try to find. O,T,T,F,F,S,S,E,N,_ What is that letter?
Answer: T

13: There are 3 societies A, B, C. A lent cars to B and C as many as they had Already. After some time B gave as many tractors to A and C as many as they have. After sometime c did the same thing. At the end of this transaction each one of them had 24. Find the cars each originally had.
Answer: A had 39 cars, B had 21 cars & C had 12 cars

14: A piece of cloth cost Rs 35. if the length of the piece would have been 4m longer and each meter cost Re 1 less , the cost would have remained unchanged. How long is the piece?
Answer: 10

15: 7 Pink, 5 Black, 11 Yellow balls are there. Minimum no. atleast to get one black and yellow ball
Answer: 17

16: (1/10)18 – (1/10)20 = ?
Answer: 99/1020

17: 1, 5, 14, 30,?, 91
Answer: 55

18: Find the value of (21/4-1)( 23/4 +21/2+21/4+1)
Answer: 1

19: The product of two fractions is 14/15 and their quotient is 35/24. The greater fraction is
Answer: 4/5

20: 1, 2, 6, 24, _?
Answer: 120