# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 737 - 744 of 931

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## Question 737

Edit

### Question

MCQ▾

Average of 15 numbers is 45. What should be added as 20th number to make the average 60?

### Choices

Choice (4)Response
a.758
b.410
c.672
d.525

## Question 738

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### Question

MCQ▾

Which one letter group differs from the other three?

### Choices

Choice (4)Response
a.Wrong
b.Green
c.White
d.Right

## Question 739

Edit

### Question

MCQ▾

Today is Monday. After 61 days, it will be ________

### Choices

Choice (4)Response
a.Sunday
b.Tuesday
c.Thursday
d.Saturday

## Question 740

Edit

MCQ▾

=

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 741

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### Question

MCQ▾

The diagram given below represents those students who play volleyball, hockey and badminton

### Choices

Choice (4)Response
a.A + B+C
b.D
c.D + E+G
d.G + E

## Question 742

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### Question

MCQ▾

The product of all the solutions of is ________.

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 743

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### Question

MCQ▾

In a km. race A beats B by 35 metres or 7 seconds. Then A’s time over the course is ________.

### Choices

Choice (4)Response
a.3 minutes 19.3 seconds
b.3 minutes 20 seconds
c.3 minutes 7 seconds
d.3 minutes 13 seconds

## Question 744

Edit

### Question

MCQ▾

Study the following information and answer the question given below it.

A blacksmith has five iron articles P, Q, R, S and T, each having a different weight

1. P weights twice as much as Q
2. Q weighs four and a half times as much as R
3. R weighs half as much as S
4. S weighs half as much as T
5. T weighs less than A but more than R

Which of the following is the lightest?

### Choices

Choice (4)Response
a.P
b.S
c.Q
d.R