Everyday Mathematics (IMO Mathematics Olympiad (SOF) Class 9): Questions 35  38 of 99
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Question number: 35
» Everyday Mathematics
Question
A class starts at 10 a. m. and lasts till 1.27 p. m. four periods are held during this interval. After every period, 5 minutes are given free to the students. The exact duration of each period is ________
Choices
Choice (4)  Response  

a.  51 minutes 

b.  53 minutes 

c.  48 minutes 

d.  42 minutes 

Question number: 36
» Everyday Mathematics
Question
A milk vendor has 2 cans of milk. The first contains water and the rest milk. The second contains water. How much milk should he mix from each of the containers so as to get 12 liters of milk such that the ratio of water to milk is?
Choices
Choice (4)  Response  

a.  7 liters, 5 liters 

b.  6 liters, 6 liters 

c.  4 liters, 8 liters 

d.  5 liters, 7 liters 

Question number: 37
» Everyday Mathematics
Question
The highest score in an inning was of the total and the next highest was of the remainder. If the scores differed by 8, then the total score is ________.
Choices
Choice (4)  Response  

a.  652 

b.  654 

c.  648 

d.  650 

Question number: 38
» Everyday Mathematics
Question
In samayra’s opinion, her weight is greater than 40 kg but less than 47 kg. Her brother does not agree with Samayra and he thinks that Samayra’s weight is greater than 35 kg but less than 45 kg. Her mother’s view is that his weight cannot be greater than 43 kg. If all of them are correct in their estimations, what is the average of different probable weights of Samayra?
Choices
Choice (4)  Response  

a.  32 kg 

b.  62 kg 

c.  52 kg 

d.  42 kg 
