Go premium Contact About Us
Logo
Home › Grade7 › Grade 7 Olympiad › Math Olympiad-Grade-7 › Comparing Quantities › Comparing Quantities Worksheet-3

Comparing Quantities Worksheet-3

Comparing Quantities Worksheet-3

 

  1. ACD rotates in a CD player at about 350 revolutions per minute. How many revolutions would CD have made after 1 hours?

(a) 2100             (b) 21000          (c) 350               (d) 210000

 

  1. By how much is two third of 57 more one-third of 90?

(a) 8                    (b) 30                 (c) 28                  (d) 32

 

  1. Difference between a rupee and 1% of a rupee is

(a) 99 paise       (b) 1.01 paise    (c) 11 paise        (d) None of these

 

  1. A merchant buys goods at 25% off list price. He desires to mark the goods so that he can give a discount of 20% on the marked price and still get a profit of 25% on the selling price. What percent of the list price must he mark the goods?

(a) 125%             (b) 100%            (c) 120%            (d) 80%

 

  1. When the circumference of a circle decreases from 3 pi to pi, its area decreases by

(a)            (b)           (c)            (d)

 

  1. Salary of an officer increases every year by 20%. His salary in the year 2001 was Rs. 26640. What was his salary in 1999?

(a) Rs. 20, 000                             (b) Rs. 19, 028

(c) Rs. 18, 500                              (d) Rs. 19,528

 

  1. The value of 36 coins of 10 p and 20 p is Rs. 6.60. The number of 20 p coins is

(a) 16                  (b) 20                 (c) 30                  (d) 32

 

  1. A man sold 10 eggs for 5 rupees and gained 20%. How many eggs did he buy for 5 rupees?

(a) 12                  (b) 14                  (c) 25                  (d) 16

 

  1. Two numbers are in the ratio of 1 : 2. If 7 be added to both, their ratio changes to 3 : 5. The greater number is

(a) 28                 (b) 32                 (c) 36                  (d) 25

 

  1. A contractor employed 210 men to build a house in 60 days. After 12 days, he was joined by 70 more men. In how many days will the remaining work be finished?

(a) 35 days        (b) 36 days        (c) 38 days        (d) 40 days

 

  1. Two numbers are 20% and 25% less than a third number respectively. How much % is the second number less than the first?

(a)           (b)              (c)             (d)

 

  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. Neha is watching a 2-hour movie. If she has watched for 54 minutes, what percentage of the movie remained?

(a) 45%              (b) 55%              (c) 50%              (d) 60%

 

  1. 400 apples were bought at Rs. 125 per hundred and were sold at a profit of Rs. 100. The selling price per dozen is

(a) Rs. 20           (b) Rs.12            (c) Rs. 18           (d) Rs. 15

 

  1. A pudding is made of 200 gm sugar, 800 gm eggs, 600 gm flour and 200 gm dry fruits. What percent of sugar is present in the whole pudding?

(a)             (b)            (c)             (d)

 

  1. Which of the following multipliers will cause a number to increase by 17%?

(a) 11.7               (b) 1.17               (c) 117                 (d) 0.117

 

Answer Key:

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