IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 141 - 148 of 1058

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Question 141

Question MCQ▾

Number of prime numbers from 20 to 70 are

Choices

Choice (4)Response

a.

9

b.

13

c.

11

d.

16

Edit

Question 142

Question MCQ▾

The two numbers nearest to 2000 which are exactly divisible by each of 2,3, 4,5 and 6 is

Choices

Choice (4)Response

a.

1860,2220

b.

1969,2220

c.

1940,2220

d.

1970,2220

Edit

Question 143

Question MCQ▾

Product of two integer is If one of the integers is , then the other is

Choices

Choice (4)Response

a.

12

b.

6

c.

d.

Edit

Question 144

Question MCQ▾

There are 378 Mangoes in a basket. A girl takes out 7 Mango from it and replaces them by 15 orange. She continues to do so, till all Mangoes are replaced by Orange. Find the number of orange put in the basket?

Choices

Choice (4)Response

a.

480

b.

850

c.

460

d.

810

Edit

Question 145

Question MCQ▾

Which of the following is not a perfect cube?

Choices

Choice (4)Response

a.

216

b.

512

c.

342

d.

27

Edit

Question 146

Question MCQ▾

The numbers which are multiplies of 2 are called________.

Choices

Choice (4)Response

a.

Odd

b.

Composite

c.

Prime

d.

Even

Edit

Question 147

Question MCQ▾

The smallest value of ‘⊕’ in the number 156 ⊕ 0 so that it is divisible by 10 is:

Choices

Choice (4)Response

a.

2

b.

1

c.

0

d.

All a., b. and c. are correct

Edit

Question 148

Question MCQ▾

is divisible by

Choices

Choice (4)Response

a.

7

b.

9

c.

11

d.

3

Edit