IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 963 - 968 of 968

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Question number: 963

» Quadratic Equations

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MCQ▾

Question

If the equation has equal roots, and then the both roots are equal to ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 964

» Coordinate Geometry

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MCQ▾

Question

Four vertices of a parallelogram taken in order are (10,20), (x, y), (8,10) and (3,6). What will be the ratio of x and y?

Choices

Choice (4)Response

a.

23,25

b.

22,26

c.

15,24

d.

22,23

Question number: 965

» Real Numbers

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MCQ▾

Question

Rationalizing factor of is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 966

» Statistics & Probability

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Question

The mean of 18 observations is 40. By error, one observation was noted as 25 was misread as 52. Then the correct mean is ________

Choices

Choice (4)Response

a.

38.5

b.

29.6

c.

16.7

d.

40.5

Question number: 967

» Area, Surface Area & Volume

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MCQ▾

Question

A man run a circle of radius 50 m at a speed of 20 km/h. the time taken by him for going around it 10 times is ________

Choices

Choice (4)Response

a.

2

b.

4

c.

1

d.

3

Question number: 968

» Pair of Linear Equations in Two Variables

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Question

At the end of the year 2017, Kartik was half old as his grandpa. The sum of the years in which they were born is 3884. Age of Kartik at the end of year 2018 is ________

Choices

Choice (4)Response

a.

70

b.

51

c.

80

d.

60

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