IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 483  488 of 1022
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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. 55000 

b.  Rs. 65000 

c.  Rs. 75000 

d.  Rs. 57500 

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.  23 liters 

b.  32 liters 

c.  Can’t be determined 

d.  45 liters 

Question number: 486
Question
A school invited 500 parents of students for meeting. Of the parents invited, 445 attended. What percent of parents invited attended for meeting?
Choices
Choice (4)  Response  

a.  56% 

b.  75% 

c.  89% 

d.  87% 

Question number: 487
Question
There are 8 marbles in a box with numbers 1 to 8 marked on them. What is the probability of drawing a marble with number 2?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 488
Question
Four bells toll at intervals of 54 seconds, 46 seconds and 34 seconds respectively. They start ringing together at a particular time. They next toll together after ________.
Choices
Choice (4)  Response  

a.  6 hours 52 minutes 55 seconds 

b.  5 hours 15 minutes 45 seconds 

c.  6 hours 51 minutes 54 seconds 

d.  5 hours 51 minutes 54 seconds 
