Indian Bank Maths test for Specialist Officers
Commercial Maths Objective Quiz
1. The simple interest on a certain sum for 8 months at 4% simple interest is Rs 129 less
than the simple interest on the same sum for 15 months at 5% per annum. Then the
sum is
(a) Rs 3,400
(b) Rs 3.500
(c) Rs 3,600
(d) Rs 3,700
Ans. (c)
2. If the compound interest for 2 years on a certain sum be Rs 63 and the simple interest
for 3 years on the same sum at same rate be Rs 90, then the sum will be
(a) Rs 300
(b) Rs 315
(c) Rs 325
(d) Rs 350
Ans. (a)
3. Rs 2,000 amounts to Rs 2226.05 in two years at compound interest. The rate of
interest is
(a) 5.5%
(b) 5%
(c) 4.5%
(d) 4%
Ans. (a)
4. The compound interest on a sum of money for two years is Rs 52 and the simple
interest for two years at the same rate is Rs 50. Then the rate of interest is
(a) 6%
(b) 8%
(c) 9%
(d) 10%
Ans. (b)
5. 140 litres of an acid contains 90% of acid and rest water. The amount of water added
to make the water 12.5% of the resulting mixture is
(a) 5 litres
(b) 4 litres
(c) 3 litres
(d) none
Ans. (b)
6. If the cost price of 6 articles is equal to the selling price of 4 articles, then the gain
percent is
(a) 35%
(b) 45%
(c) 40%
(d) 50%
Ans. (d)
7. A shopkeeper buys paper at Rs 50 per ream. To gain 20%, the selling price per quire
will be (take 1 ream = 20 quires)
(a) Rs 1
(b) Rs 2
(c) Rs 3
(d) Rs 5
Ans. (c)
8. Ajit buys a motor cycle for Rs 17,600 including sales tax. If the rate of sales tax is
10%, then the sale price of the motor cycle is
(a) Rs 16,000
(b) Rs 15,000
(c) Rs 14,000
(d) Rs 12,000
Ans. (a)
9. A sum of Rs 1,200 was lent partly at 5% and partly 6% simple interest. The total
interest received after 2 years was Rs 128. The ratio of the money lent out at 5% and
6% is
(a) 5 : 6
(b) 6 : 5
(c) 2 : 1
(d) 1 : 2
Ans. (c)
10. A gets 10% more than B. Then B gets
(a) 10% less than A
(b) 10% more than A
(c) less than A
(d) more than A
Ans. (c)
11. A businessman, by means of a false balance defrauds to an extent of 10% in buying
goods and 10% in selling goods. Then, by how much percent does he gain?
(a) 21%
(b) 20%
(c) 19%
(d) 18%
Ans. (a)
12. A trader purchases 70 kg of tea at Rs 15 per kg and 30 kg of tea at Rs 18.50 per kg. If
the packing charges are 2 percent, then at what price he must sell the mixture of two
to gain 15%?
(a) Rs 18.80 per kg
(b) Rs l8 per kg
(c) Rs 18.50 per kg
(d) Rs 17.80 per kg
Ans. (a)
13. In selling an article for Rs 76, a shopkeeper gains 52%. The gain by selling that for Rs
74 is
(a) 45%
(b) 48%
(c) 49%
(d) 50%
Ans. (b)
14. By giving a discount of 10% on the marked price of Rs 1,100 of a sewing machine a
dealer gains 10%, then the cost price is
(a) Rs 900
(b) Rs 950
(c) Rs 1,000
(d) Rs 1,050
Ans. (a)
15. A shopkeeper sells a badminton marked at Rs 30 at 15% discount and gives a shuttle
cock costing Rs 1.50 free with each badminton. He then makes a profit of 20%. His
cost price per badminton is
(a) Rs 35
(b) Rs 30
(c) Rs 25
(d) Rs 20
Ans. (d)
16. If a radio is sold at Rs 972, then profit is 8%. If it is sold at Rs 872, then there is a loss
of
(a) Rs 28
(b) Rs 25
(c) Rs 20
(d) Rs 15
Ans. (a)
17. A shopkeeper purchases 11 pens for Rs 10 and sells them at the rate of 10 for Rs 11,
then the profit is
(a) 18%
(b) 19%
(c) 20%
(d) 21%
Ans. (d)
18. Rajan earns less than Ram. Then by how much percent is Ram’s income above
Rajan’s?
(a) 40%
(b) 50%
(c) 60%
(d) 70%
Ans. (b)
19. A sum of money lent by Hari at simple interest becomes double of itself in 8 years.
Then the sum will trible itself in
(a) 16 years
(b) 15 years
(c) 20 years
(d) 24 years
Ans. (a)
20. An almirah is sold for Rs 1,800 cash or Rs 600 cash down payment followed by two
monthly installments of Rs 610 each. The rate of interest charged under the instalment
scheme is
(a) 14% p.a.
(b) 13.41% p.a.
(c) 15% p.a.
(d) 16.72% p.a.
Ans. (b)
21. x, y, z are three sums of money such that y is the simple interest on x and z is the
simple interest on y for the same time and rate. Then the relation between x, y and z is
(a) y2 = zx
(b) x2 = yz
(c) xyz = 1
(d) none of these
Ans. (a)
22. A sum of Rs 1,550 was lent partly at 5% and partly at 8% simple interest. The total
interest received after 3 years was Rs 300. The ratio of money lent at 5% to 8% is
(a) 31: 6
(b) 16 : 15
(c) 31 : 16
(d) 6 : 5
Ans. (b)
23. A sum of Rs 16,400 is borrowed to be paid back in 2 years by two equal annual
payments, allowing 5% compound interest. The annual payment is
(a) Rs 8,000
(b) Rs 8,050
(c) Rs 8,820
(d) Rs 9,000
Ans. (c)
24. A sum of money placed at compound interest doubles itself in 4 years. It will amount
to eight times itself at the same rate in
(a) 9 years
(b) 10 years
(c) 12years
(d) 14 years
Ans. (c)
25. If after 24% wastage the net output of a coal mine is 68,400 quintals, then the total
output is
(a) 80,000 quintals
(b) 89,000 quintals
(c) 90,000 quintals
(d) 9,000 quintals
Ans. (c)
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