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Home › Grade7 › Grade 7 Olympiad › Math Olympiad-Grade-7 › Comparing Quantities › Comparing Quantities Worksheet-12

Comparing Quantities Worksheet-12

Comparing Quantities Worksheet-12

 

  1. A man purchased two articles for Rs. 3000 each, by selling those he gains 20% on the one and loses 20% on the other. Find the gain (or) loss percent on the whole transaction.

(a) 4% loss                                     (b) 4% gain

(c) no profit no loss                      (d) none

 

  1. Sneha bought a pursed for Rs. 480. She sold it to Neha at a gain of and Neha sold it to Devi at a gain of 10%. How much did Devi pay for it?

(a) Rs. 561         (b) Rs. 560        (c) Rs. 550         (d) Rs. 525

 

  1. A grocer bought one quintal of rice at Rs. 24 per kg. He sold 75 kg of it at the rate of Rs. 26 per kg. At what rate per kg must he sell the remainder to gain 15% on the whole?

(a) Rs. 30          (b) Rs. 32.40    (c) Rs. 25           (d) Rs. 35

 

  1. On what sum of money lent out at 9% per annum SI for 6 years does the SI amounts to Rs. 810?

(a) Rs. 1000      (b) Rs. 1500      (c) Rs. 1200      (d) None

 

  1. At what rate of interest per annum will a sum double itself in 8 years?

(a) 25%              (b)             (c)            (d) None

 

  1. SI on a certain sum is 16 over 25 of the sum. Find rate percent and time, if they are both equal.

(a) 8%, 8 years                              (b) 16%, 16 years

(c) Cannot be determined (d) None

 

  1. A milkman borrowed Rs. 2500 from two money lenders. For one loan, he paid 5% p.a. and for the other, he paid 7% p.a. The total interest paid after two years was Rs. 275. Calculate the money he borrowed at 7% interest?

(a) Rs. 1875       (b) Rs. 1000      (c) Rs. 625         (d) Rs. 1200

 

  1. Of a certain sum, is invested at at 6% and the rest at 8%. If the SI for 2 years from all these investments amounts to Rs. 600. Then the original sum was

(a) Rs. 2000     (b) Rs. 3000     (c) Rs. 4000     (d) Rs. 5000

 

  1. What annual installment will discharge a debt of Rs. 4200 due in 5 years at 10% SI?

(a) Rs. 600        (b) Rs. 700        (c) Rs. 800        (d) Rs. 900

 

  1. A certain sum of money lent out at a certain rate of interest per annum, doubles itself in 10 years. In how many years will it treble itself?

(a) 20 years       (b) 16 years       (c) 12 years        (d) 10 years

 

  1. A sum was put at SI at a certain rate for 4 years. Had it been put at 2% higher rate, it would have fetched Rs. 56 more. Find the sum.

(a) Rs. 500        (b) Rs. 600        (c) Rs. 700        (d) Rs. 800

 

  1. The SI on a sum of money is of the principle and the number of years is equal to the rate percent per annum. Find the rate percent.

(a)              (b)              (c) 4½%            (d) None

 

  1. If Rs. 85 amounts to Rs. 95 in 3 years, then Rs. 102 will amount to in 5 years at the same rate percent is

(a) Rs. 120         (b) Rs. 104        (c) Rs. 116          (d) Rs. 122

 

  1. What quarterly payment will discharge a debt of Rs. 2280 due in two years at 16% p.a. SI?

(a) Rs. 225        (b) Rs. 250        (c) Rs. 200        (d) Rs. 275

 

  1. A sum of Rs. 1600 lent at SI of 12.5% per annum will become twice in

(a) 8 years         (b) 16 years       (c) 12 years        (d) 20 years

 

  1. In what time will Rs. 72 become Rs. 81 at 6 ½% p.a. SI?

(a) 1 ½ years    (b) 2 ½ years    (c) 2 years         (d) None

 

  1. If x is the SI on y and y is the SI on z, the rate % and time being same in both cases, then the relation between x, y and z is

(a) x2 = yz          (b) y2 = xz                   (c) z2 = xy          (d) x = 2y + z

 

  1. A certain sum of money amounts to of itself in 5 years. The rate percent per annum is

(a) 5%                 (b) 7%                 (c) 9%                 (d) 12%

 

  1. If SI is fixed as a constant, then ________.

(a)              (b)              (c)              (d) None

 

  1. Kamala deposited a sum of Rs. 8000 in a bank. After one year she has withdrawn Rs. 2000 and at the end of 3 years she received an amount of Rs. 7800. Find the rate of interest.

(a) 7%                 (b) 8%                (c) 9%                 (d) 11%

 

Answer Key:

(1)-(c); (2)-(a); (3)-(b); (4)-(b); (5)-(c); (6)-(a); (7)-(c); (8)-(d); (9)-(b); (10)-(a); (11)-(c); (12)-(b); (13)-(d); (14)-(b); (15)-(a); (16)-(c); (17)-(b); (18)-(a); (19)-(c); (20)-(c)