IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 1027 - 1032 of 1040

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Question number: 1027

» Factorisation

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MCQ▾

Question

A bag has 3 red balls and 2 yellow balls. (The balls are identical in all respect other than color). A ball is drawn from the bag without looking into the bag. The probability of getting a red ball is________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1028

» Factorisation

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MCQ▾

Question

A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn random from the bag. The probability that all of them are red is,

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1029

» Square and Square Roots

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MCQ▾

Question

Which of the following statement is true for square numbers?

Choices

Choice (4)Response

a.

Square numbers are always positive

b.

Square number can only have even number of zeroes at the end

c.

Both a. and b. are correct

d.

None of the above

Question number: 1030

» Comparing Quantities

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MCQ▾

Question

A bag contains 50p, 25p, 10p coins in the ratio 5: 6: 10, amounting to Rs. 500. Find the total number of coins

Choices

Choice (4)Response

a.

3800

b.

1000

c.

2100

d.

1330

Question number: 1031

» Playing with Numbers

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MCQ▾

Question

When a certain number is multiplied by 15, the product consists entirely of fives. The smallest such number is ________

Choices

Choice (4)Response

a.

37

b.

24

c.

41

d.

32

Question number: 1032

» Cube and Cube Roots

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MCQ▾

Question

Three numbers are in the ratio of 2: 3: 4. The sum of their cubes is 50688. The numbers are ________.

Choices

Choice (4)Response

a.

b.

c.

d.

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