IMO- Mathematics Olympiad Class 9: Questions 613 - 619 of 919

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Question number: 613

» Statistics and Probability

MCQ▾

Question

Two coins are tossed simultaneously. The probability of getting at least one head is ________

Choices

Choice (4) Response

a.

12

b.

14

c.

0

d.

34

Question number: 614

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

In a telephone directory which of the following names will appear in the third position

Choices

Choice (4) Response

a.

Mahender

b.

Mahindra

c.

Mahinder

d.

Mahendra

Question number: 615

» Statistics and Probability

MCQ▾

Question

The mean of 13 observations is 14. If the mean of the first 7 observations is 12 and that of the last 7 observations is 16, then the 7th observation is ________

Choices

Choice (4) Response

a.

12

b.

16

c.

14

d.

18

Question number: 616

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

In the given question, which number can replace the question mark

Given the multiple lines – find the missing value

Given the Multiple Lines – Find the Missing Value

Given the multiple lines and number can replaced the question mark

Choices

Choice (4) Response

a.

9

b.

7

c.

36

d.

1

Question number: 617

» Everyday Mathematics

MCQ▾

Question

A man purchases an electric heater whose printed price is Rs. 160. If he received two successive discounts of 20% and 10% , he p

Choices

Choice (4) Response

a.

Rs. 112

b.

Rs. 115.20

c.

Rs. 119.60

d.

Rs. 129.60

Question number: 618

» Linear Equations in Two Variables

MCQ▾

Question

If y15 =10 , then values of y are________

Choices

Choice (4) Response

a.

y = 15 and y=-10

b.

y=-10 and y=-30

c.

y = 25 and y = 5

d.

y = 20 and y = 30

Question number: 619

» Statistics and Probability

MCQ▾

Question

Algebraic sum of the deviation of a set of values of a data from their mean is ________

Choices

Choice (4) Response

a.

<0

b.

=0

c.

>0

d.

0

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