Ratio and Proportion (IMO- Mathematics Olympiad Class 6): Questions 8 - 13 of 80

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Question number: 8

» Ratio and Proportion

MCQ▾

Question

In a ABC , if 2A=3B=4C , then A,BandC respectively are

Choices

Choice (4) Response
a.

600,600,600

b.

720,480,360

c.

900,500,400

d.

750,450,300

Question number: 9

» Ratio and Proportion

MCQ▾

Question

If a: b = c: d, then ma+ncmb+nd is equal to

Choices

Choice (4) Response
a.

m: n

b.

a: b

c.

na: mb

d.

md: nc

Question number: 10

» Ratio and Proportion

MCQ▾

Question

A’s money is to B’s money as 4: 3 and B’s money is to C’s money as 9: 5. If A has Rs. 7200, C has

Choices

Choice (4) Response
a.

Rs. 3000

b.

Rs. 1500

c.

Rs. 1000

d.

Rs. 1200

Question number: 11

» Ratio and Proportion

MCQ▾

Question

Divide Rs. 3010 among A, B, C respectively in such a way that A gets double of what B gets and B gets double of what C gets.

Choices

Choice (4) Response
a.

Rs. 1640, Rs. 920, Rs. 450

b.

Rs. 1690, Rs. 825, Rs. 495

c.

Rs. 1800, Rs. 400, Rs. 810

d.

Rs. 1720, Rs. 860, Rs. 430

Question number: 12

» Ratio and Proportion

MCQ▾

Question

A certain amount was divided between Kavita and Reena in the ratio 4: 3. If Reena’s share was Rs. 2400, then the amount is

Choices

Choice (4) Response
a.

Rs. 5600

b.

Rs. 9600

c.

Rs. 3200

d. All of the above

Question number: 13

» Ratio and Proportion

MCQ▾

Question

The prices of bike and a bicycle are in the ratio 7: 3. If a bike costs Rs. 35000 more than the bicycle, then the price of the bicycle is

Choices

Choice (4) Response
a.

Rs. 18450

b.

Rs. 12890

c.

Rs. 23900

d.

Rs. 26250

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