# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 459 - 465 of 989

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## Question number: 459

Mathematics
Edit

### Question

MCQ▾

The biggest surd among is

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 460

Mathematics
Edit

### Question

MCQ▾

If each entry of a data is increased by 4, then the arithmetic mean

### Choices

Choice (4)Response

a.

Decreases by 6

b.

Increases by 4

c.

Remains the same

d.

All of the above

## Question number: 461

Mathematics
Edit

### Question

MCQ▾

The multiplicative inverse of ‘0’ is

### Choices

Choice (4)Response

a.

b.

0

c.

Does not exist

d.

All of the above

## Question number: 462

Mathematics
Edit

### Question

MCQ▾

If m: All integers are rational numbers and n: Every rational number is an integer, then which of the following statement is correct?

### Choices

Choice (4)Response

a.

m and n are True

b.

m is True and n is False

c.

m and n are False

d.

m is False and n is True

## Question number: 463

Mathematics
Edit

### Question

MCQ▾

When three dice are thrown, the probability of getting equal numbers is

### Choices

Choice (4)Response

a.

b.

c.

6

d.

Question does not provide sufficient data or is vague

## Question number: 464

Mathematics
Edit

### Question

MCQ▾

The mean of 774,776,778,780 and 782 is

### Choices

Choice (4)Response

a.

774

b.

782

c.

776

d.

778

## Question number: 465

Mathematics
Edit

### Question

MCQ▾

A card is drawn from a packet of 70 cards numbered 1 to 70. The probability of drawing a number which is a square is

### Choices

Choice (4)Response

a.

b.

c.

d.