Model Paper - Rrb (Non-Technical Posts Asm/goods Guards) Worksheet With Answers Page 3
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16Model Paper – RRB (Non-technical posts ASM/Goods Guards)
b) 3 1 8 % Gain
√ 0.0169 × ? = 1.3
c) 3 1 8 % Loss
d) 1 9 16 % Loss
28.
a) 10
e) 25 16 % Gain
b) 100
c) 1000
d) 10000
e)
None of these
24.
Two fill pipes A and B can fill a tank in 30 and 20
√ 81 + √ 0.81 = 10.09 - x
hours respectively. Pipe B alone is kept open for half
the time and both pipes are kept open for the
29.
remaining time. In how many hours, the tank will be
a) 0.019
completely full.
b) 0.19
a) 25h
c)
0.9
d)
0.109
b) 15h
e)
None of these
c) 40h
d) 28h
e) 35h
30.
What is the smallest number by which 3600 be divided
25.
Three taps A, B and C can fill a tank in 12, 15 and 20h
to make it a perfect cube?
respectively. If A is open all the time and B and C are
a) 450
open for one hour each alternatively, the tank will be
b) 445
filled in:
c)
440
d) 430
a) 6h
e) None of these
b) 7h
c) 5h
d) 9h
31.
The average age of 8 men is increased by 2 years
e) None of The Above
when two of them whose ages are 21 years and 23
years are replaced by two new men. The average age
of the two new men is :
a) 22 years
b) 24 years
c) 28 years
d) 30 years
e) None of these
26.
If 8 men or 17 boys can do a piece of work in 26
days, how many days will it take for 4 men and 24
32.
10 years ago, the average age of a family of 4
boys to complete a piece of work 50 × 0.9 time great?
members was 24 years. Two children having been
a) 680 days
born (with age difference of 2 years), the present
average age of the family is the same. The present age
b) 612 days
of the youngest child is :
c) 68 days 80 days
a)
1 year
d) 50 days
b)
2 years
e) None of The Above
c)
3 years
d)
5 years
The square root of (7 + 3 √ 5 ) (7 ⎯3 √ 5 ) is
e)
None of these
a) √ 5
27.
33.
The average age of 30 students of a class is 30 years.
When the average age of class teacher is also
included, the average age of the whole class increases
b) 2
3 √ 5
by 1 year. The age of the class teacher is :
c) 4
a) 31 years
d)
b) 60 years
e) None of these
c) 61 years
Page 3
d) 65 years
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