# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 919 - 924 of 1484

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## Question 919

### Question

MCQ▾

Find the value of k if the area of triangle formed by is 13.5 sq units

### Choices

Choice (4)Response

a.

3

b.

4 or -4

c.

1

d.

-2 or 2

## Question 920

### Question

MCQ▾

One of the properties of Range is

### Choices

Choice (4)Response

a.

It is not affected by greatest and least values

b.

Difference of greatest and least values

c.

Algebraic

d.

Not easy to calculate

## Question 921

### Question

MCQ▾

A ladder of 30 m long touches the wall at height of 15 m. The angle made by it by horizontal is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question 922

### Question

MCQ▾

Among 100 employees, the average salary of 99 is ₹ 100. The 100th employee has the salary exceeds the average of 100 employees by ₹ 99 then average salary of all employees (in ₹) is

### Choices

Choice (4)Response

a.

99.50

b.

101

c.

100

d.

99

## Question 923

### Question

MCQ▾

From a normal pack of cards, a card is drawn at random. The probability of getting a red ace is

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

## Question 924

### Question

MCQ▾

is an equilateral with side 9 cm. The perimeter of triangle formed by joining its mid-points is

### Choices

Choice (4)Response

a.

18.5 cm

b.

27 cm

c.

81 cm

d.

13.5 cm

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