IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 813 - 818 of 1040

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Question number: 813

» Everyday Mathematics

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MCQ▾

Question

Reena correctly answered 40 % of the questions in a maths test contained exactly 60 questions. How many of the questions did he answer incorrectly?

Choices

Choice (4) Response

a.

34

b.

36

c.

38

d.

35

Question number: 814

» Everyday Mathematics

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MCQ▾

Question

Amit wrongly answered 30 % of the questions in a chemistry test contained exactly 100 questions. How many of the questions did he answer correctly?

Choices

Choice (4) Response

a.

40

b.

60

c.

50

d.

70

Question number: 815

» Everyday Mathematics

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MCQ▾

Question

If students of a class of strength 200 are girls, then number of boys equals________.

Choices

Choice (4) Response

a.

130

b.

150

c.

160

d.

110

Question number: 816

» Everyday Mathematics

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MCQ▾

Question

At 7.00 am, the temperature was -6 F, The temperature was 7 F higher at noon. Which one of the following expression can be used to calculate the temperature at noon?

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 817

» Everyday Mathematics

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Appeared in Year: 2012

MCQ▾

Question

The ratio of present ages of Rahul and Deepesh is 3: 5.10 years later this ratio becomes 5: 7. What is the present age of Deepesh?

Choices

Choice (4) Response

a.

10 years

b.

25 years

c.

15 years

d.

20 years

Question number: 818

» Everyday Mathematics

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MCQ▾

Question

Priya goes to a shop to buy a dress costing Rs. 2000 including sales tax of 10%. He asks the shopkeeper to reduce the price of the watch so that he can save an amount equal to the sales tax. The reduction in the price of the dress is________.

Choices

Choice (4) Response

a.

Rs 200

b.

Rs 150

c.

Rs 250

d.

All of the above