Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 36 - 44 of 218

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Question number: 36

» Mathematics » Arithmetic

MCQ▾

Question

The mean of first eight odd numbers are

Choices

Choice (4) Response

a.

8

b.

8.5

c.

6

d.

7

Question number: 37

» Mathematics » Trigonometry

MCQ▾

Question

If sin B = 1/2

then 3 cos B - 4 cos 3 B is equal to

Choices

Choice (4) Response

a.

52

b.

1

c.

0

d.

34

Question number: 38

» Mathematics » Trigonometry

MCQ▾

Question

The string of a kite is 150 m long and it makes an angle of 60° with the horizontal. The height of the kite from the ground is

Choices

Choice (4) Response

a.

75 3 m

b.

75/3 m

c.

150 3 m

d.

None of the above

Question number: 39

» Mathematics » Quadratic Equations

MCQ▾

Question

If one root of 3x 2 = 8x + (2k + 1) is seven times the other, then the value of k is

Choices

Choice (4) Response

a.

23

b.

53

c.

53

d.

23

Question number: 40

» Mathematics » Trigonometry

MCQ▾

Question

The angles of a triangle are x, y and z and such that y-x = z-y = 15, then value of y will be

Choices

Choice (4) Response

a.

75°

b.

60°

c.

50°

d.

70°

Question number: 41

» Mathematics » Trigonometry

MCQ▾

Question

If cot A = 1 (√ 2 - 1)

1(21)

, then the value of sin A x cos A is

Choices

Choice (4) Response

a.

1/4

b.

1503m

c.

1/2

d.

24

Question number: 42

» Mathematics » Quadratic Equations

MCQ▾

Question

If (y + 1 y)

(y+1y)

=12, then (y 3 + 1 y 3)

(y3+1y3)

is equal to

Choices

Choice (4) Response

a.

1692

b.

1686

c.

1680

d.

1968

Question number: 43

» Mathematics » Quadratic Equations

MCQ▾

Question

If

PQ=13,then27P34Q36P3Qisequalto

Choices

Choice (4) Response

a.

259

b.

143

c.

154

d.

None of the above

Question number: 44

» Mathematics » Trigonometry

MCQ▾

Question

In figure, AOC and BOC form a linear pair. Then, the value of x is

A line which make angles with another straight line

A Line Which Make Angles With Another Straight Line

Find the value of angles made by two lines

Choices

Choice (4) Response

a.

40°

b.

25°

c.

30°

d.

15°

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