IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 675 - 681 of 931

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Question 675

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Question

MCQ▾

How many 3’s is there which are immediately preceded by an even number as well as immediately followed by an odd number?

6 3 4 8 3 3 7 2 3 5 3 3 3 4 3 9

Choices

Choice (4)Response
a.2
b.4
c.3
d.1

Question 676

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Question

MCQ▾

A die is thrown once. The probability of getting a number greater than 3 is ________

Choices

Choice (4)Response
a.
b.0
c.
d.

Question 677

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Question

MCQ▾

The number of values of k for which the system of equations , has the solutions is________

Choices

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

Question 678

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Question

MCQ▾

In a certain code language-

(1) ‘put tir fin’ means ‘fabulous Juicy Vegetable’.

(2) ‘tie dip sig’ means ‘superb white beans’.

(3) ‘sig lon fin’ means ‘beans and vegetable’.

Which word in that language means ‘and’?

Choices

Choice (4)Response
a.sig
b.put
c.dip
d.lon

Question 679

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Question

MCQ▾

If has as a factor and leaves a remainder 2 when divided by, find the values of ‘a’ and ‘b’.

Choices

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

Question 680

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Question

MCQ▾

Choices

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

Question 681

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Question

MCQ▾

The average of n numbers is A. if is replaced by is replaced by , …, then the new average is ________

Choices

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