Institute of Banking Personnel Selection : Article
AVERAGE
BANK
1.) The sum of five numbers is
290. The average of the first two numbers is 48.5 and the average of last two
numbers is 53.5. What is the third number ?
(1)
72 (2) 84 (3) 96 (4)108 (5) none of these
2.) The average age of the family
of five numbers is 24. If the present age of youngest member is 8 years, then
what was the average age of the family at the time of the birth of the youngest
member ?
(1)
20 years (2) 16 years (3) 12 years (4) 18 years (5)
21 years
3.) The average of five numbers
is 65. The average of the first two numbers is 81 and the average of the last
two numbers is 38. What is the third number ?
(1)
63 (2)
87 (3) 99 (4) can`t be determined (5) none of these
4.) The total marks obtained by a
student in Physics, Chemistry and Mathematics is 120 more than the marks
obtained by him in Chemistry. What are the average marks obtained by him in
Physics and Mathematics together ?
(1)
60 (2) 120 (3) 40 (4) can`t be
determined (5) none of these
5.) The average age of 80 boys in
a class is 15 years. The average age of a group of 15 boys in the class is 16
years and the average age of another 25 boys in the class is 14 years. What is
the average age of the remaining boys in the class ?
(1)
15.25 years (2) 14 years (3) 14.75 years (4)
can`t be determined (5) none of
these
6.) Ram`s present age is three
times his son`s present age and two fifth of his father`s present age. The
average of the present ages of all of them is 46 years. What is the difference
between the Ram`s son`s present age and Ram`s father`s present age ?
(1)
68 years (2) 88 years (3) 58 years (4) can`t be
determined (5) none of these
7.) Average age of Rahul, Manish
and Suresh is 63. Rahul`s score is 15 less than Ajay and 10 more than Manish.
If Ajay scored 30 marks more than the average score of Rahul, Manish and
Suresh, what is the sum of Manish`s and Suresh`s scores ?
(1)
120 (2) 111 (3) 117 (4) can`t be determined (5) none of these
8.) The average of four
consecutive even numbers P, Q, R and S respectively (in increasing order) is
51. What is the product of P and R ?
(1)
2592 (2) 2400 (3) 2600 (4) 2808 (5)
none of these
9.) The product of the ages of
Harish and Seema is 240. If twice the age of Seema is more than Harish`s age by
4 years, what is Seema`s age in years ?
(1)
12 years (2) 20 years (3) 10 years (4) 14 years (5)
Data Inadequate
10.) The average age of 80 girls
was 20 years, the average age of 20 of them was 22 years and that of another 20
was 24 years. Find the average age of the remaining 20 girls.
(1)
17 years (2) 19 years (3) 21 years (4) 15 years (5)
none of these
1.) 5 
2.) 2 
3.) 2 
4.) 1 
5.) 1 
6.) 5 
7.) 2 
8.) 5 
9.) 1 
10.) 1 
