TNPSC Question Paper-2015 Questions and answers

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This page contains the questions asked in previous year TNPSC Group 1 preliminary exam. You can practice these questions as practice test in this link.


41).

Sum of squares of three positive numbers is 608 and they are in the ratio 2 : 3 : 5. Then, find the numbers.


A). 6, 9,15
B). 8, 12, 20
C). 10, 15,25
D). 14, 21, 35
42). If 30% of A = 0.25 of B = 1/5 of C, then find the ratio of A:B:C
A). 15 : 12 : 10
B). 12 : 15 : 10
C). 10 : 12 : 15
D). 10 : 15 : 12
43). What is the third proportional to 0.34 and 0.50?
A). 0.74
B). 0.75
C). 0.76
D). 0.77
44). In a cylinder, if radius is doubled and height is halved then what happens to the curved surface area?
A). Halved
B). Doubled
C). Does not change
D). Four times
45). The length of side of a rhombus is 5m and one of its diagonal is 8 m. Then what is the length of other diagonal?
A). 5 m
B). 7 m
C). 6 m
D). 8 m


46).

A, B and C can complete a piece ofwork in 24, 6 and 12 days respectively. If they work together, in how many days they will complete the same work?


A). 1/24 days
B). 7/24 days
C). 24/7 days
D). 24/11 days
47). 12 men complete the 2400 sq.m ploughing work in 10 days. How many men are required to complete 3600 sq.m ploughing work in 18 days?
A). 10 men
B). 15 men
C). 18 men
D). 20 men
48). 2 men and 7 boys can do a piece of work in 14 days, 3 men and 8 boys can do the same in 11 days. In how many days, 3 times the work can be completed by 8 men and 6 boys?
A). 21 days
B). 18 days
C). 24 days
D). 36 days
49). The length, breadth and height of a hall are 8 m, 10m, 4m respectively and the hall has one door of area 3 m x 1.5m. Find the cost of painting the walls at the rate of Rs.200 per square metre.
A). Rs. 28,800
B). Rs. 59,900
C). Rs. 27,900
D). Rs. 60,800
50). If the capacity of a cylindrical tank is 1848 \( m^3 \)and the diameter of its base is 14m, then find the depth of the tank
A). 12 m
B). 14 m
C). 15 m
D). 18 m
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