IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 1029 - 1035 of 1042

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Question 1029

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Question

MCQ▾

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 1030

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Question

MCQ▾

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 1031

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Question

MCQ▾

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 1032

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Question

MCQ▾

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.

Question 1033

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Question

MCQ▾

The area of a square field is sq. m. the length of each side of the field is________.

Choices

Choice (4)Response
a.11.92
b.22.3
c.14.07
d.12.03

Question 1034

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Question

MCQ▾

If , then x is equal to ________.

Choices

Choice (4)Response
a.2
b.6
c.4
d.5

Question 1035

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Question

MCQ▾

The number p written in standard form is and the number q written in standard form is . Calculate . Give your answer in standard form.

Choices

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