Everyday Mathematics (IMO- Mathematics Olympiad Class 9): Questions 48 - 53 of 99

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Question number: 48

» Everyday Mathematics

MCQ▾

Question

Sujal buys an article with 50% discount on its marked price. He makes a profit of 20% by selling it at Rs. 800. The marked price is ________

Choices

Choice (4) Response

a.

Rs. 1633

b.

Rs. 1400

c.

Rs. 1333

d.

Rs. 1600

Question number: 49

» Everyday Mathematics

MCQ▾

Question

Subhash purchased a tape recorder at (910)th of its selling price and sold it at 8% more than its S. P his gain is ________

Choices

Choice (4) Response

a.

10%

b.

20%

c.

18%

d.

8%

Question number: 50

» Everyday Mathematics

MCQ▾

Question

A man rows downstream 40 km and upstream 20 km, taking 10 hours each time. The velocity of current is ________

Choices

Choice (4) Response

a.

1 km/hr

b.

3 km/hr

c.

2 km/hr

d.

5 km/hr

Question number: 51

» Everyday Mathematics

MCQ▾

Question

The simple interest of x% for x years will be Rs. X on a sum of ________

Choices

Choice (4) Response

a.

Rs. 100 x

b.

Rs. x

c.

Rs. (100x2)

d.

Rs. (100x)

Question number: 52

» Everyday Mathematics

MCQ▾

Question

In a class, the number of boys is more than the number of girls by 20% of the total strength. The ratio of boys to girls is ________

Choices

Choice (4) Response

a.

1:4

b.

4:1

c.

3:2

d.

5:2

Question number: 53

» Everyday Mathematics

MCQ▾

Question

Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 4000 for 2 years at 10% per annum. The sum placed on simple interest is ________

Choices

Choice (4) Response

a.

Rs. 1850

b.

Rs. 1750

c.

Rs. 1650

d.

Rs. 1950

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