IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 458 - 465 of 931

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Question 458

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Question

MCQ▾

What change in percent is made in the area of a rectangle by increases its length and decreasing its breadth by?

Choices

Choice (4)Response
a.
b.
c.
d.

Question 459

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Question

MCQ▾

Gaurav walks 20 meters towards North. He then turns left and walks 40 meters. He again turns left and walks 20 meters. Further, he moves 20 meters after turning to the right. How far is he from his original position?

Choices

Choice (4)Response
a.30 meters
b.60 meters
c.50 meters
d.20 meters

Question 460

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Question

MCQ▾

The taxi fare in a city is a follows: for the first kilometer, the fare is Rs. 8 and for the subsequent distance it is Rs. 5 per kilometer. Taking the distance covered as x km and total fare as Rs. y, a linear equation for this information is ________.

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Choice (4)Response
a.
b.
c.
d.

Question 461

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MCQ▾

Two dice are thrown. What is the probability of obtaining a total of 10 or 11?

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Choice (4)Response
a.
b.
c.
d.

Question 462

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MCQ▾

=

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Choice (4)Response
a.
b.
c.
d.

Question 463

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MCQ▾

Choices

Choice (4)Response
a.
b.
c.
d.

Question 464

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MCQ▾

Factor of =

Choices

Choice (4)Response
a.
b.
c.
d.

Question 465

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Question

MCQ▾

Six books P, Q, R, S, T and U are placed side by side. R, Q, T have blue covers and other books have red covers. Only S and are new books and the rest are old, P, R, S are law reports, the rest are Gazetteers. Which two books are old Gazetteers with blue covers?

Choices

Choice (4)Response
a.Q and U
b.T and U
c.Q and T
d.Q and R