IMO- Mathematics Olympiad Class 8: Questions 809 - 814 of 1029

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Question number: 809

» Everyday Mathematics

MCQ▾

Question

Find the length of the longest pole that can be placed in a room 11 m long, 6 m broad and 8 m high.

Choices

Choice (4) Response
a.

15 meter

b.

14 meter

c.

10 meter

d.

11 meter

Question number: 810

» Everyday Mathematics

MCQ▾

Question

Mansi gets 3 marks for each correct answer and loses 1 marks for each wrong answer. He attempts 100 problems and obtains 60 marks. The number of problem incorrect is________.

Choices

Choice (4) Response
a.

40

b.

60

c.

10

d.

50

Question number: 811

» Everyday Mathematics

Appeared in Year: 2012

MCQ▾

Question

On the April 1, 2012 Megha’s salary increased from Rs. 10, 000 to Rs. 16, 000. Simultaneously the rate of income tax decreased by 37.5%. So the amount of income tax paid by Megha remains constant, what is the amount of income tax paid by her?

Choices

Choice (4) Response
a.

Rs 1000

b.

Rs 2000

c.

Rs 3000

d. None of the above

Question number: 812

» Everyday Mathematics

MCQ▾

Question

Two bills of Rs. 6075 and Rs. 8505 respectively are to be paid by cheques of the same amount. What will be the largest possible amount of each cheque?

Choices

Choice (4) Response
a.

Rs 1223

b.

Rs. 1215

c.

Rs 1340

d. None of the above

Question number: 813

» Everyday Mathematics

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.

35

b.

38

c.

36

d.

34

Question number: 814

» Everyday Mathematics

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.

50

b.

70

c.

60

d.

40

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