71. 15 years hence, Rohit will be just four times
as old as he was 15 years ago, How old is Rohit at present?
[A] 20
[B] 25
[C] 30
[D] 35
72.
|
|
Average
age of employees working in a department is 30 years. In the next year, ten
workers will retire. What will be the average age in the next year?
|
|
I.
|
Retirement
age is 60 years.
|
|
II.
|
There
are 50 employees in the department.
|
|
|
|
I alone
sufficient while II alone not sufficient to answer
|
|
|
II alone
sufficient while I alone not sufficient to answer
|
|
|
Either I or II
alone sufficient to answer
|
|
|
Both I and II are
not sufficient to answer
|
|
|
Both I and II are
necessary to answer
|
|
73. present ages of three persons are in
proportions 4:7:9. Eight years ago, the sum of their ages was 56. Find their
present ages (in years)
[A] 8, 20, 28
[B] 16, 28, 36
[C] 20, 35, 45
[D] None of these
|
74. The average age of a class of 27 students is
10 years. If the teacher's age is included, the average is increased by 1. What
is the age of the teacher? |
[A] 35
[B] 36
[C] 38
[D] 37
|
|
|
| 75. Rajan got married 8 years ago. His present
age is 6 / 5 times his age at the time of his marriage. Rajan's sister was 10
years younger to him at the time of his marriage. The age of Rajan's sister is |
A. 32 years
B. 36 years
C. 38
years D. 40years
76.The ratio between the school ages of Neelam
and Shaan is 5 : 6 respectively. If the ratio between the one-third age of
Neelam and half of Shaan’s age is 5 : 9, then what is the school age of Shaan?
[A] 25 years
[B] 30 years
[C] 36 years
[E] None of these
[D] Cannot be determined
77.
|
|
Divya
is twice as old as Shruti. What is the difference in their ages?
|
|
I.
|
Five
years hence, the ratio of their ages would be 9 : 5.
|
|
II.
|
Ten
years back, the ratio of their ages was 3 : 1.
|
|
|
|
I alone
sufficient while II alone not sufficient to answer
|
|
|
II alone
sufficient while I alone not sufficient to answer
|
|
|
Either I or II
alone sufficient to answer
|
|
|
Both I and II are
not sufficient to answer
|
|
|
Both I and II are
necessary to answer
|
|
78. The average age of an adult
class is 40 years. Twelve new students with an average age of 32 years join the
class, thereby decreasing the average of the class by 4 years. The original
strength of the class was
A.10 B.12
C.11 D.15
79. Sushil was thrice as old as
Snehal 6 years back. Sushil will be times as old as Snehal 6 years hence. How
old is Snehal today?
A.18 years B.12 years
C.24 years D.15 years
|
80.What
is the difference between the present ages of Ayush and Deepak?
|
|
I.
|
The
ratio between Ayush's present age and his age after 8 years 4 : 5.
|
|
II.
|
The
ratio between the present ages of Ayush and Deepak is 4 : 3.
|
|
III.
|
The
ratio between Deepak's present age and his age four years ago is 6 : 5.
|
|
|
|
Any two of I, II
and III
|
|
|
I or III only
|
|
|
Any one of the
three
|
|
|
All I, II and III
are required
|
|
|
Even with all I,
II and III, the answer cannot be obtained.
|
|
View Answer With Explanation
