# IMO- Mathematics Olympiad Class 9: Questions 614 - 620 of 919

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## Question number: 614

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

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

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

9

b.

7

c.

36

d.

1

## Question number: 617

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

Rs. 112

b.

Rs. 115.20

c.

Rs. 119.60

d.

Rs. 129.60

## Question number: 618

MCQ▾

### Question

If, 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

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 620

MCQ▾

### Question

Rakesh has dollars more than Mohan has, and together they have a total of dollars. Which of the following represented the number of dollars than Mohan has?

### Choices

Choice (4) Response

a.

b.

c.

d.

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