# Number Sense (IMO- Mathematics Olympiad Class 3): Questions 62 - 67 of 78

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## Question number: 62

» Number Sense

MCQ▾

### Question

Raj drawn a number card from a bag containing number from 1 to 50. It is found that number is 15 more than the least two digit number. What is his number?

### Choices

Choice (4) Response

a.

55

b.

40

c.

15

d.

25

## Question number: 63

» Number Sense

MCQ▾

### Question

How is three hundred, forty three in standard form?

### Choices

Choice (4) Response

a.

430

b.

343

c.

403

d.

340

## Question number: 64

» Number Sense

MCQ▾

### Question

The number shown on the abacus is ________.

### Choices

Choice (4) Response

a.

734

b.

653

c.

543

d.

643

## Question number: 65

» Number Sense

MCQ▾

### Question

If Unit’s place and hundred’s place digit is interchanging in each number, then which of the following number is odd?

### Choices

Choice (4) Response

a.

4320

b.

3450

c.

7283

d.

3650

## Question number: 66

» Number Sense

MCQ▾

### Question

Saumya’s roll number in a class is five at ten’s place. Which could not be his roll number?

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 67

» Number Sense

MCQ▾

### Question

Mr. Kant wrote a three digit number on the blackboard. Three student Asha, Nensi and Rustom said the following about number:

Asha: It is 3 digit number but not the least

Nensi: It is having three different digits

Rustom: It is the predecessor of least 4 digit number

What is the number, If only two of the three students said the truth?

### Choices

Choice (4) Response

a.

99

b.

100

c.

999

d.

998

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