Interview Question 21 - 30
21. A bank offers
5% compound interest calculated on half-yearly basis. A customer deposits Rs.
1600 each on 1st January and 1st July of a year. At the
end of the year, the amount he would have gained by way of interest is:
A. Rs. 120 B.
Rs. 121 C. Rs. 122 D. Rs. 123
22. The difference
between simple and compound interests compounded annually on a certain sum of
money for 2 years at 4% per annum is Re 1. The sum (in Rs.) is –
A. 625 B.
630 C. 640 D. 650
23. A motorboat,
whose speed in 15km/hr In still water goes 30 km downstream and comes back in a
total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:
A. 4 B.
5 C. 6 D. 10
24. A man can row
three-quarters of a kilometre against the stream in 11 minutes and down the
stream in 7 minutes. The speed (in km/hr) of the man in still water is:
A. 2 B.
3 C. 4 D. 5
25. The least
perfect square, which is divisible by each of 21, 36 and 66 is:
A.21344 B.
214344 C. 214434 D. 231444
26. A shop keeper
sells milk which contains 5% water. What quantity of pure milk should be added
to 2 litres milk (containing 5% water) so that proportion of water becomes 4%?
A. 100 ml B.
250 ml C. 400 ml D. 350 ml E. None of these
27. A and B
started a business in partnership investing Rs 20,000 and Rs 15,000 respectively.
After six months C joined them with Rs 20,000. What will be B’s share in the
total profit of Rs 25,000 earned at the end of two years from the starting of
the business?
A. Rs 9,000 B. Rs 10,000 C. Rs 7,500 D.
Rs 9,500 E. None of these
28. What
approximate value should come in place of the question mark (?) in the following equation?
158.25 x 4.6 + 21% of 847 + ? = 950.93
A. 35 B.
40 C. 25 D. 50 E. 45
29. The average of
the first and the second of three numbers is 15 more than the average of the
second and the third of these numbers. What is the difference between the first
and the third of these three numbers?
A. 15 B.
45 C. 60 D. Data inadequate E. None of These
30. A man starts
going for morning walk every day. The distance walked by him on the first day
was 2 km. Every day he walks half the distance walked on the previous day. What
can be the maximum total distance walked by him in his lifetime?
A. 4 km B.
20 km C. 8 km D. Data inadequate E. None of these
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