If the C.I. on a certain sum for 3 years at 10% per annum be Rs.331. What would be the simple interest?

Rs.3000
Rs.30000
Rs.300
Rs.30

The next number 3,9,27_______?

45
61
72
81

Two pipes A and B can fill a tank in 10 hours and 15 hours respectively. Find the time taken to fill the tank when both the pipes are turned on simultaneously?

6 hrs.
5 hrs.
12 hrs
30 hrs

The sum of two numbers is 187 and their HCF is 17. What is the number of such pairs of numbers satisfying the above condition?

One
Four
Seven
Five

The 5th term in the series.2/5, 6/25, 18/125?

162/625
81/3125
54/258
162/3125

Find the mission number?

22
37
17
28

A bullet of mass 150 gm strikes a target at 600 m/s velocity. which is reduced to 150 m/s. The loss of energy is?

8437 J
3000 J
1840 J
5400 J

A and B can together finish a work in 30 days. They worked at it for 20 days and then B left. The remaining work was done by A alone in 20 more days. A alone can finish the work in?

45 days
54 days
48 days
60 days

If the side of a square is increased by 5 cm, then the area increases by 165 sq.cm. The side of the square is

33 cm
13 cm
14 cm
12 cm

What will be 60% of number whose 300% is 120 ?

12
35
48
24

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