IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 818 - 824 of 1059

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Question number: 818

» Symmetry and Practical Geometry

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MCQ▾

Question

An angle of is drawn using a pair of compass and ruler by

Choices

Choice (4) Response

a.

Bisecting and the bisecting it again

b.

Bisecting and

c.

Bisecting

d.

Bisecting and

Question number: 819

» Ratio and Proportion

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MCQ▾

Question

If ________ liters: 25 liters = 15000 m: 120 km, then ________means

Choices

Choice (4) Response

a.

5.123

b.

3

c.

2.512

d.

3.125

Question number: 820

» Algebra

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MCQ▾

Question

Ages of two friends are in the ratio 2: 1. If the sum of their ages is 51, then their ages are respectively

Choices

Choice (4) Response

a.

34 yrs. 17 yrs.

b.

34 yrs. 20 yrs.

c.

30 yrs. 15 yrs.

d.

20 yrs. 10 yrs.

Question number: 821

» Algebra

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MCQ▾

Question

When Hina multiplies a certain number by 21 and adds 3 to the product, she gets 318. Find that number.

Choices

Choice (4) Response

a.

16

b.

15

c.

14

d.

13

Question number: 822

» Mensuration

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MCQ▾

Question

A room is 12.5 m long and 8 m wide. A square carpet of side 8 m is laid on its floor. Find the area of the floor which is not carpeted?

Choices

Choice (4) Response

a.

63 sq. m

b.

36 sq. m

c.

36 m

d.

63 m

Question number: 823

» Ratio and Proportion

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MCQ▾

Question

Share of A, B and C is ________, if Rs. 4340 is divided in .

Choices

Choice (4) Response

a.

Rs. 840, Rs. 2100, Rs. 1400

b.

Rs. 1400, Rs. 840, Rs. 2100

c.

Rs. 2100, Rs. 1400, Rs. 840

d.

Rs. 1400, Rs. 2100, Rs. 840

Question number: 824

» Algebra

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MCQ▾

Question

If , then the value of x is

Choices

Choice (4) Response

a.

- 2

b.

- 6

c.

0

d.

+ 6