IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 657 - 662 of 931

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Question 657

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Question

MCQ▾

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.5 liters, 7 liters
c.6 liters, 6 liters
d.4 liters, 8 liters

Question 658

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Question

MCQ▾

The option which is not a solution of the equation , is________.

Choices

Choice (4)Response
a.(0,7)
b.(4, -7)
c.(5,3)
d.(2,0)

Question 659

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Question

MCQ▾

If in a certain language SURGEON is coded as HFITVLM, how is PHYSICIAN coded in that language?

Choices

Choice (4)Response
a.IETWSOSHK
b.KSBHRXRZM
c.GMDLFQFVX
d.LTAKJYJUP

Question 660

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Question

MCQ▾

Choose the odd numeral pair/group

Choices

Choice (4)Response
a.14,9
b.17,8
c.21,6
d.42,3

Question 661

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Question

MCQ▾

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.650
b.652
c.648
d.654

Question 662

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Question

MCQ▾

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.52 kg
b.42 kg
c.62 kg
d.32 kg