Quantitative Aptitude Questions Quiz Set 1 for IBPS/SBI/SSC

Take Quiz for Quantitative Aptitude Questions Quiz Set 1 for IBPS/SBI/SSC

1.  The  average  age  of  24  students  and  the  principal  is  15  years.  When  the  principal’s  age  is  excluded,  the  average  age  decreases  by  1  year.  What  is  the  age  of  the  principal?
1) 38 2) 40  3) 39    4) 37      5) None of these


2.  Three years ago, the average age of A,B and C  was 27 years and that of B   and C 5  years ago was 20 years A’s present age is
1) 30 Years  2) 35 Years  3) 40 Years    4) 48 Years   5) None of these


3.  Ajit Tendulkar has a certain average for 9 innings. In the tenth inning, he scores 100  runs thereby increasing his average by 8 runs. His new average is
1) 20  2) 24  3) 28  4) 32  5) None of these


4.  The  average  age  of  a  family  of  6  members  is  22  years.  If  the  age  of  the  youngest  member  be  7  years,  what  was  the  average  age  of  the  family  at  the  birth  of  the  youngest member?
1) 15  2) 18  3) 21  4) 12  5) None of these


5.  The average age of 8 persons in a committee is increased by 2 years when two men  aged 35 years and 45 years are substituted by two women. Find the average age of  the two women.
1) 48  2) 45  3) 51  4) 42  5) None of these

6.  The average weight of a class of 29 students is 40 kg. if the weight of the teacher be  included, the average rises by 500 gm. What is the weight of the teacher?
1) 40.5 kg  2) 50.5 kg  3) 45 kg  4) 55 kg  5) None of these


7.  If  we  take  four  numbers,  the  average  of  the  first  three  is  16  and  that  of  the  last  three is 15. If the last number is 18, the first number is
1) 20  2) 21  3) 23  4) 25  5) None of these


8.  The  average  of  ten  numbers  is  7.  If  each  number  is  multiplied  by  12,  then  the  average of the new set of number is
1) 7  2) 19  3) 82  4) 84  5) None of these


9.  The average weight of 5 men is decreased by 3 kg when one of them weighing 150  kg is replaced by another person. Find the weight of the new person.
1) 165 kg  2) 135 kg  3) 138 kg  4) 162 kg  5) None of these


10.  The average age of a group of men is increased by 5 years when a person aged 18  years is replaced by a new person of aged 38 years. How many men are there in the  group?
1) 3  2) 4  3) 5  4) 6  5) None of these


11.  The average score of a class of 40 students is 52. What will be the average score of  the rest of the students if the average score of 10 of the students is 61.
1) 50  2) 47  3) 48  4) 49  5) None of these


12.  Out  of  three  numbers,  the  first  is  twice  the  second  and  three  time  the  third.  The  average of the three numbers is 88. The smallest number is
1) 72  2) 36  3) 42  4) 48  5) None of these


13.  The  average  age  of  A,  B,  C  and  D  five  years  ago  was  45  years.  By  including  X,  the  present average age of all the five is 49 years. The present age of X is
1) 64 years  2) 48 years  3) 45 years    4) 40 years  5) None of these


14.  Three  years  ago,  the  average  age  of  a  family  of  5  members  was  17  years.  A  baby  having  been  born,  the  average  of  the  family  is  the  same  today.  What  is  the  age  of  the baby?
1) 1 year  2) 2 years  3) 6 months  4) 9 months  5) None of these

Answers :

Questions Number Answers
1 3
2 3
3 3
4 2
5 1
6 4
7 2
8 4
9 2
10 2
11 4
12 4
13 3
14 2
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