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Home › Grade7 › Grade 7 Olympiad › Math Olympiad-Grade-7 › Comparing Quantities › Comparing Quantities Worksheet-8

Comparing Quantities Worksheet-8

Comparing Quantities Worksheet-8

 

  1. The ratio of Rs. 3 and 60 paise is

(a) 1 : 20            (b) 5 : 1               (c) 1 : 2               (d) 20 : 1

 

  1. In a class there are 50 boys and 30 girls. The ratio of the number of boys to the number of girls in the class is

(a) 80 : 50         (b) 3 : 5              (c) 5 : 3               (d) None

 

  1. The ratio of the incomes of Kamala and Vimala is 2 : 3. If Kamala’s income is Rs. 9000 then Vimala’s income is

(a) Rs. 13,500   (b) Rs. 6,000    (c) Rs. 12,000  (d) None

 

  1. 16 : 24 = ______.

(a) 2 : 3              (b) 22 : 33         (c) 18 : 27          (d) all the these

 

  1. The ratio of 0.12 kg and 180 g is

(a) 0.01 : 1.8     (b) 1 : 15             (c) 2 : 3              (d) None

 

  1. If Rs. 60 is divided into two parts in the ratio 2 : 3, then the difference between those two parts is _______.

(a) Rs. 10           (b) Rs. 12           (c) Rs. 5             (d) None

 

  1. Mala and bala got 75 marks and 25 marks in an examination. Find the ratio of the marks scored by Mala to the total marks obtained by both of them?

(a) 3 : 4              (b) 3 : 1               (c) 1 : 3               (d) 4 : 3

 

  1. The ratio of the heights of A and B is 4 : 3. If B is 1.2 m tall, then the height of A is

(a) 0.9 m           (b) 1.8 m            (c) 1.6 m            (d) None

 

  1. The ratio of 96 m and 72 m is

(a) 3 : 4              (b) 4 : 3              (c) 2 : 1               (d) 4 : 1

 

  1. The ratio of the least prime number to the least composite number is

(a) 1 : 2               (b) 2 : 3              (c) 1 : 4               (d) 1 : 3

 

  1. If of 49 + 20% of 130 = x + 49 then x = _______.

(a) 10                  (b) 12                  (c) 16                  (d) 18

 

  1. A boy has enough money to buy 20 books. If each book cost 25 paise less, he could buy two more books and still have 70 paise left. The money boy has is?

(a) Rs. 16           (b) Rs. 24          (c) Rs. 48           (d) Rs. 36

 

  1. When a number is reduced by 4, it becomes 80% of itself. Find the number.

(a) 20                 (b) 30                 (c) 40                  (d) 50

 

  1. The weight of a box is 40 kg. In a hurry, it was weighed as 40.8 kg. Find the error percentage.

(a) 5%                 (b) 4%                (c) 3%                 (d) 2%

 

  1. If2½% of a number is 0.2, then what will be  120% of it.

(a) 10.8              (b) 4.8                (c) 9.6                 (d) None

 

  1. If p is 6 times that of q, what percent is q less than p?

(a) 12 ½%         (b) 13 1/3%         (c) 6 ¼%           (d) 33 1/3%

 

Answer Key:

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