IMO Mathematics Olympiad (SOF) Class 7: Questions 491  496 of 1012
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Question number: 491
Question
When Krunal travelled 72 km he found that of the entire journey was still left. The length of the total journey is
Choices
Choice (4)  Response  

a.  129 km 

b.  126 km 

c.  166 km 

d.  130 km 

Question number: 492
Question
Sona answered of the questions on her quiz correctly. What percent of the questions did she answer incorrectly?
Choices
Choice (4)  Response  

a.  45% 

b.  75% 

c.  30% 

d.  60% 

Question number: 493
Question
I was sitting alone in a coffee bar. After a while there came my friend and his wife. They were followed by one couple who were their friends. What was the number of total persons present in the coffee bar?
Choices
Choice (4)  Response  

a.  5 

b.  8 

c.  7 

d.  6 

Question number: 494
Question
There are three drums with 1311 liters, 2323 liters and 3151 liters of water. The greatest possible size of the measuring vessel with which we can measure the water of any drum while every time the vessel must be completely filled is ________.
Choices
Choice (4)  Response  

a.  29 

b.  31 

c.  23 

d.  17 

Question number: 495
Question
By selling a book for Rs. 425 a shopkeeper loses 15%. At what price should he sell the shirt so as to gain 5%?
Choices
Choice (4)  Response  

a.  Rs. 545 

b.  Rs. 395 

c.  Rs. 525 

d.  Rs. 500 

Question number: 496
Question
In our school, there are 70 % girls. 40 % of all the boys select computer subject. If there 60 % students select computer out of the total 2100 students, then the number of girls who select computer subject is ________.
Choices
Choice (4)  Response  

a.  1205 

b.  Can’t be determined 

c.  1008 

d.  1103 
