# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 819 - 825 of 1059

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## Question 819

### Question

MCQ▾

If ________ liters: 25 liters = 15000 m: 120 km, then ________means

### Choices

Choice (4)Response

a.

5.123

b.

3

c.

2.512

d.

3.125

## Question 820

### Question

MCQ▾

Ages of two friends are in the ratio 2: 1. If the sum of their ages is 51, then their ages are respectively

### Choices

Choice (4)Response

a.

34 yrs. 17 yrs.

b.

34 yrs. 20 yrs.

c.

30 yrs. 15 yrs.

d.

20 yrs. 10 yrs.

## Question 821

### Question

MCQ▾

When Hina multiplies a certain number by 21 and adds 3 to the product, she gets 318. Find that number.

### Choices

Choice (4)Response

a.

16

b.

15

c.

14

d.

13

## Question 822

### Question

MCQ▾

A room is 12.5 m long and 8 m wide. A square carpet of side 8 m is laid on its floor. Find the area of the floor which is not carpeted?

### Choices

Choice (4)Response

a.

63 sq. m

b.

36 sq. m

c.

36 m

d.

63 m

## Question 823

### Question

MCQ▾

Share of A, B and C is ________, if ₹ 4340 is divided in .

### Choices

Choice (4)Response

a.

₹ 840, ₹ 2100, ₹ 1400

b.

₹ 1400, ₹ 840, ₹ 2100

c.

₹ 2100, ₹ 1400, ₹ 840

d.

₹ 1400, ₹ 2100, ₹ 840

## Question 824

### Question

MCQ▾

If , then the value of x is

### Choices

Choice (4)Response

a.

- 2

b.

- 6

c.

0

d.

+ 6

## Question 825

### Question

MCQ▾

The number of bananas in a bucket is 3 times the number of oranges. Which of the following cannot be the total number of fruits in the bucket?

### Choices

Choice (4)Response

a.

8

b.

12

c.

20

d.

29