IMO- Mathematics Olympiad Class 10: Questions 546 - 551 of 889

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Question number: 546

» Everyday Mathematics

MCQ▾

Question

By selling an article for Rs. 480 a person lost 20% . For what amount should he sell it to make a profit of 20% ?

Choices

Choice (4) Response
a.

Rs. 720

b.

Rs. 800

c.

Rs. 680

d.

Rs. 760

Question number: 547

» Everyday Mathematics

MCQ▾

Question

Divide Rs. 1335 among A, B and C so that Rs. 50 more than (65)th of A’s share, Rs. 30 more than (45)th of B’s share and Rs. 10 more than (57)th of C’s share may all be equal. What is A’s share?

Choices

Choice (4) Response
a.

Rs. 200

b.

Rs. 300

c.

Rs. 100

d.

Rs. 400

Question number: 548

» Everyday Mathematics

MCQ▾

Question

By selling an article for Rs. 900 a person lost 25% . For what amount should he sell it to make a profit of 25% ?

Choices

Choice (4) Response
a.

Rs. 1650

b.

Rs. 1630

c.

Rs. 1950

d.

Rs. 1440

Question number: 549

» Everyday Mathematics

MCQ▾

Question

If 1 man or 2 women or 3 boys can do a piece of work in 44 days, then the same piece of work will be done by 1 man, 1 woman and 1 boy in ________

Choices

Choice (4) Response
a.

26 days

b.

33 days

c.

21 days

d.

24 days

Question number: 550

» Real Numbers

MCQ▾

Question

a, b, c are distinct real numbers such that a=3(b+c)25,b=3(c+a)25,c=3(a+b)25. Find the numerical value of abc.

Choices

Choice (4) Response
a.

2

b.

0

c.

3

d.

1

Question number: 551

» Everyday Mathematics

MCQ▾

Question

Divide Rs. 600 among A, B and C so that Rs. 40 more than (25)th of A’s share, Rs. 20 more than (27)th of B’s share and Rs. 10 more than (917)th of C’s share may all be equal. What is A’s share?

Choices

Choice (4) Response
a.

Rs. 280

b.

Rs. 170

c.

Rs. 200

d.

Rs. 150

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