IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 837 - 843 of 929

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Question number: 837

» Everyday Mathematics

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MCQ▾

Question

If 20 men working 5 hours a day for 10 days can complete a job, how many men working 10 hours a day for 5 days will be needed?

Choices

Choice (4) Response

a.

20

b.

65

c.

50

d.

25

Question number: 838

» Everyday Mathematics

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MCQ▾

Question

A fan is listed at Rs. 650, with a discount of what additional discount must be offered to the customer to bring the net price to Rs. 452?

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 839

» Statistics and Probability

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MCQ▾

Question

Two dice are thrown simultaneously, the odds in favour of getting the sum 5 is________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 840

» Analytical Reasoning and Logical Reasoning

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MCQ▾

Question

B is the brother of R. J is sister of R. A is brother of B. How is R related to A?

Choices

Choice (4) Response

a.

Brother

b.

Brother or Sister

c.

Sister

d.

Question does not provide sufficient data or is vague

Question number: 841

» Polynomials

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MCQ▾

Question

If and , then value of is________.

Choices

Choice (4) Response

a.

770

b.

555

c.

227

d.

115

Question number: 842

» Statistics and Probability

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MCQ▾

Question

The median of the observation 2,1, 12,29,25,12,10,4, 5 is ________

Choices

Choice (4) Response

a.

15

b.

12

c.

10

d.

25

Question number: 843

» Everyday Mathematics

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MCQ▾

Question

A man purchased two clocks P and Q at a total cost Rs. 800. He sells P at profit and Q at a loss of and gets the same selling price for both the clocks. What are the purchasing prices of P and Q respectively?

Choices

Choice (4) Response

a.

Rs. 275, Rs. 425

b.

Rs. 266.67, Rs. 533.33

c.

Rs. 250.65, Rs. 200.22

d.

Rs. 360, Rs. 850