Model Question and Answer for Postal Assistant Exam

1.A house owner wants to get his house painted. He is told that this would require 25 kg of paint. Allowing for 15% wastage and assuming that the paint is available in 2kg tins, the number of tins required for painting the house is -
a. 15
b. 12
c. 10
d. 20
Ans: a

2.A sum of Rs. 800 amounts to Rs. 920 in three years at S.I. If the rate of interest is increased by 5% then the amount will increase to
a. Rs. 950
b. Rs. 980
c. Rs. 1010
d. Rs. 1040
Ans: d

3.A person borrowed Rs. 500@ 3% per annum S.I and Rs. 600 @4½% per annum on the agreement that the whole amount will be returned only when the total interest becomes Rs. 126. The number of years, after which the borrowed sum is to be returned, is
a. 2
b. 3
c. 4
d. 5
Ans: b

4.A person bought some oranges @ Rs. 10 per dozen and bought the same amount of oranges @ Rs. 8 per dozen. He sold these oranges @ Rs. 11 per dozen and gained Rs. 120. The total number of oranges bought by him was
a. 30 dozen
b. 40 dozen
c. 50 dozen
d. 60 dozen
Ans: d

5.The ratio of 435 : 25 is same as
a. 4 : 1
b. 2 : 1
c. 7 : 5
d. 7 : 10
Ans: a

6.A man walking at the rate of 6km per hour crosses a square field diagonally in 9 seconds. The area of the field is-
a. 125 sq. cm
b. 112.5 sq. cm
c. 110 sq. cm
d. 100?2 sq. m
Ans: b

7.A and B can together finish a work in 30 days. They worked at it for 10 days together and then B left. The remaining work was done by A alone in 30 more days. B alone can finish the work in
a. 48 days
b. 60 days
c. 75 days
d. 90 days
Ans: d

8.A and B entered into a partnership investing Rs. 12000 and Rs. 9000 respectively. After 3 months C also joined them with a capital of Rs. 15000. The share of C in the half yearly profit of Rs. 9500 is
a. Rs. 3500
b. Rs. 3000
c. Rs. 2500
d. Rs. 4000
Ans: c

9.A person covered some distance in 12 hours. He covered half the distance by rail @ 75 km per hour and the rest by car @ 45 km/hr. The total distance covered by him was
a. 450 km
b. 675 km
c. 337.5 km
d. 1350 km
Ans: b

10.The milk and water in two vessels A and B are in the ratio 4:3 and 2:3 respectively. In what ratio, the liquids be mixed in both the vessels so that the new liquid contains half milk and half water?
a. 7:5
b. 1:2
c. 2:1
d. 6:5
Ans: a

11.A train crosses a pole in 15 seconds, while it crosses 100 meter long platform in 25 seconds. The length of the train is -
a. 125m
b. 135 m
c. 159 m
d. 175 m
Ans: c

12.On converting the following base-2 numeral in base ten, 1101101, we get
a. 96
b. 104
c. 108
d. 109
Ans: d

13.If 272/3 × 81-1/2 = 3x, the value of x is
a. -1
b. 0
c. 1
d. 2
Ans: b

14.The former managing editor of SAGE India and longtime Doordarshan news reader who died in Landour (above Mussorie) on December 16, 2007 is .
(a) Pakaj Singh
(b) Rajesh Sharma
(c) Tajeshwar Singh
(d) Mohanlal Chaturvedi
Ans: c

15.The editor of Jaipur-based monthly journal, “Sharad Krishi” who was on December 18, 2007 presented the prestigious Atmaram Prize for developing scientific and technical literature in Hindi is .
(a) Mahendra Madhup
(b) Anupam Shrivastava
(c) Dhirendra Singh Parmar
(d) Gaurav Bainsala


Ans: a

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