IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 480  485 of 1012
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Question number: 480
Question
There are 54 green apples and 30 more red apples than green apples in a container. What is the ratio of the number of red apples to the total number of apples?
Choices
Choice (4)  Response  

a.  23: 14 

b.  14: 23 

c.  5: 9 

d.  5: 14 

Question number: 481
Question
The total cost of 6 tables and 4 chairs is Rs. 1250. If one table costs Rs. 30 more than one chair, find the price of each table and chair respectively.
Choices
Choice (4)  Response  

a.  Rs. 167, Rs. 127 

b.  Rs. 137, Rs. 107 

c.  Rs. 145, Rs. 125 

d.  Rs. 130, Rs. 120 

Question number: 482
Question
Equal sums of Rs. 7200 were lent to Megha and Priya at 5 % per annum for a period of 4 years and 5 years respectively. Find the difference of the interest paid by Megha and Priya.
Choices
Choice (4)  Response  

a.  Rs. 140 

b.  Rs. 260 

c.  Rs. 560 

d.  Rs. 360 

Question number: 483
Question
Dhruv earned some money. He spent of money on magazines and of money on a snack. Which of the following fractions represents the part of money he did not spend?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 484
Question
Hiren sells a bike to his friend at 20 % loss. If the friend sells it for Rs. 66000 and gains 10%, the original C. P. of the bike was ________.
Choices
Choice (4)  Response  

a.  Rs. 75000 

b.  Rs. 57500 

c.  Rs. 55000 

d.  Rs. 65000 

Question number: 485
Question
A drum of water is full. When 8 liters of water is drawn from it, it is full. The capacity of the drum is ________.
Choices
Choice (4)  Response  

a.  Can’t be determined 

b.  45 liters 

c.  23 liters 

d.  32 liters 
