IMO- Mathematics Olympiad (SOF) Class 7: Questions 503 - 508 of 1012

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Question number: 503

» Everyday Mathematics

MCQ▾

Question

There are 7 marbles in a box in which 5 are red and 2 are blue. What is the probability of getting a red marble?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 504

» Everyday Mathematics

MCQ▾

Question

The cost price of ear-rings is Rs. 5200 and the loss percent is . Find the selling price of the ear-rings.

Choices

Choice (4) Response

a.

Rs. 5540

b.

Rs. 3850

c.

Rs. 4250

d.

Rs. 5850

Question number: 505

» Everyday Mathematics

MCQ▾

Question

Each of two groups of tourists has 60 people. If of the first group and of the second group board buses to travel to a museum, how many more people of the first group board buses than of the second group?

Choices

Choice (4) Response

a.

4

b.

2

c.

40

d.

5

Question number: 506

» Everyday Mathematics

MCQ▾

Question

Aman’s mother was 21 years old when his sister was born. His father is 8 years older than his mother. Now Aman is 17 years old and his sister is 3 years older than him. What is the present age of Aman’s father?

Choices

Choice (4) Response

a.

47 years

b.

46 years

c.

50 years

d.

49 years

Question number: 507

» Everyday Mathematics

MCQ▾

Question

A library has 52 video-tapes that can be checked out. On Monday the librarian counted 17 video-tapes still on the shelf. How many video-tapes were checked out from the library?

Choices

Choice (4) Response

a.

44

b.

45

c.

35

d.

69

Question number: 508

» Everyday Mathematics

MCQ▾

Question

The ratio of computers to mobiles in a shop is 6: 5. There are 32 fewer mobiles than computers. What is the total number of mobiles and computers in the shop?

Choices

Choice (4) Response

a.

352

b.

215

c.

192

d.

160

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