IMO- Mathematics Olympiad Class 10: Questions 499 - 504 of 958

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Question number: 499

» Statistics & Probability

MCQ▾

Question

The average of 11 results is 60. If the average of the first six results is 72 and that of the last six is 52, then the sixth result is ________

Choices

Choice (4) Response

a.

87

b.

88

c.

84

d.

86

Question number: 500

» Statistics & Probability

MCQ▾

Question

The mean of eight numbers is 30. If one number is excluded, then their mean is 34, the excluded number is ________

Choices

Choice (4) Response

a.

5

b.

2

c.

8

d.

6

Question number: 501

» Triangle, Circle & Constructions

MCQ▾

Question

In the adjacent figure, QP and QR are produced to meet RS and PS produced in T and U. then Equation is ________

Figure QP and QR are produced to meet RS & PS produced in T & U

Figure QP and QR Are Produced to Meet RS & PS Produced in T & U

Given the adjacent figure QP and QR are produced to meet RS and PS produced in T and U then find sum of Angles QTR and RUS

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 502

» Statistics & Probability

MCQ▾

Question

The mean of 10 observations isEquation . By error, one observation was noted as Equation was misread as 24. Then the correct mean is ________

Choices

Choice (4) Response

a.

21

b.

27

c.

25

d.

23

Question number: 503

» Coordinate Geometry

MCQ▾

Question

The distance between the points Equation and Equation is ________

Choices

Choice (4) Response

a.

3a

b.

2a

c.

a

d.

5a

Question number: 504

» Statistics & Probability

MCQ▾

Question

A drawer contains 8 red socks, 12 white socks and 10 blue socks. Without looking you draw out a sock and then draw out a second sock without returning the first sock. What is the probability that the first sock and second sock are both white?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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