# Mathematics-Knowing Our Numbers (NSTSE (National Science Talent Search Exam- Unified Council) Class 6): Questions 72 - 80 of 176

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## Question number: 72

» Mathematics » Knowing Our Numbers

MCQ▾

### Question

How many times the digit appears in numbers from 4 to 100?

### Choices

Choice (4) Response

a.

19

b.

20

c.

18

d.

21

## Question number: 73

» Mathematics » Knowing Our Numbers

MCQ▾

### Question

Raghu is 16 years old and Kavita is 25 years old. Write the sum of their ages in Roman system.

### Choices

Choice (4) Response

a.

XLV

b.

XIL

c.

XLI

d.

XXL

## Question number: 74

» Mathematics » Knowing Our Numbers

MCQ▾

### Question

In numbers from 100 to 1 the digit appears________ times.

### Choices

Choice (4) Response

a.

12

b.

9

c.

11

d.

10

## Question number: 75

» Mathematics » Knowing Our Numbers

MCQ▾

Standard form of

### Choices

Choice (4) Response

a.

900003000

b.

90003007

c.

900003007

d.

Question does not provide sufficient data or is vague

## Question number: 76

» Mathematics » Knowing Our Numbers

MCQ▾

### Question

Numeral for sixty million and sixty six is

### Choices

Choice (4) Response

a.

60000066

b.

60000060

c.

6000066

d.

None of the above

## Question number: 77

» Mathematics » Knowing Our Numbers

MCQ▾

### Question

The ascending order of LX, XXI, XX, XXX is ________

### Choices

Choice (4) Response

a.

LX, XXX, XXI, XX

b.

XXX, XX, LX, XXI

c.

XX, XXI, XXX, LX

d.

XXX, LX, XX, XXI

## Question number: 78

» Mathematics » Knowing Our Numbers

MCQ▾

### Question

Sum of 10 and 40 is

### Choices

Choice (4) Response

a.

D

b.

C

c.

L

d.

V

## Question number: 79

» Mathematics » Knowing Our Numbers

MCQ▾

### Question

The two numbers formed by subtracting one are

### Choices

Choice (4) Response

a.

11 and 12

b.

5 and 6

c.

4 and 9

d.

4 and 10

## Question number: 80

» Mathematics » Knowing Our Numbers

MCQ▾

### Question

9849475825 is written with commas as (International system)

### Choices

Choice (4) Response

a.

9,8, 4,9, 4,7, 5,8, 2,5

b.

9849,475,82,5

c.

9,84,94,75,825

d.

9,849,475,825

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