Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 173 - 179 of 218

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Question number: 173

» Mathematics » Trigonometry

MCQ▾

Question

The angles of a triangle are 3x0,(2x7)°and(4x11)° . Find the value of x.

Choices

Choice (4) Response

a.

22°

b.

30°

c.

25°

d.

35°

Question number: 174

» Mathematics » Trigonometry

MCQ▾

Question

The value of sin30°+cos60° is equal to

Choices

Choice (4) Response

a.

2

b.

1

c.

2

d.

0

Question number: 175

» Mathematics » Number Systems

MCQ▾

Question

The place value of 8 in the numeral 6437842 is

Choices

Choice (4) Response

a.

8000

b.

80

c.

800

d.

All of the above

Question number: 176

» Mathematics » Mensuration

MCQ▾

Question

The perimeter of a rectangle is 35 cm. If its breadth is 7 cm, its length will be

Choices

Choice (4) Response

a.

11.5 cm

b.

12.5 cm

c.

9.5 cm

d.

10.5 cm

Question number: 177

» Mathematics » Square and Cube Root

MCQ▾

Question

If (a - b): (a + b) = 1: 5, then what is (a2 - b2): (a2 + b2) equal to

Choices

Choice (4) Response

a.

13: 15

b.

2: 3

c.

3: 2

d.

5: 13

Question number: 178

» Mathematics » Basic Geometry

MCQ▾

Question

The encircle of a ∆ABC touches the sides AB, BC and AC at the point P, Q and R respectively, then which of the following statements is/are correct?

I. AP + BQ + CR = PB + QC + RA

II. AP + BQ + CR = 0.5 (perimeter of ∆ABC)

III. AP + BQ + CR = 3 (AB + BC + CA)

Choices

Choice (4) Response

a.

I, II and III

b.

Only I

c.

II and III

d.

I and II

Question number: 179

» Mathematics » Linear Equation

MCQ▾

Question

A person bought a certain number of books for Rs. 80. If he had bought 4 more books for the same sum, each book would have cost Rs. 1 less. What is the price of each book?

Choices

Choice (4) Response

a.

Rs. 8

b.

Rs. 5

c.

Rs. 10

d.

Rs. 4

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