# Mathematics-Trigonometry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 41 - 45 of 51

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## Question number: 41

» Mathematics » Trigonometry

MCQ▾

### Question

From the top of a pillar of height the angles of elevation and depression of the top and bottom of another pillar are and , respectively. The height of the second pillar (in m) is:

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 42

» Mathematics » Trigonometry

MCQ▾

### Question

If the mid-points of the sides of a triangle are and , the coordinates of the centroid of the triangle is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 43

» Mathematics » Trigonometry

MCQ▾

### Question

If sin then 3 B is equal to

### Choices

Choice (4) Response

a.

0

b.

c.

d.

1

## Question number: 44

» Mathematics » Trigonometry

MCQ▾

### Question

CD is a direct common tangent to two circles intersecting each other at A and B. Then, is equal to

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 45

» Mathematics » Trigonometry

MCQ▾

### Question

In a right angled , right angled at B, if P and Q are points on the sides AB and AC respectively, then which of the given option is correct?

### Choices

Choice (4) Response

a.

b.

c.

d.

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