Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 82 - 87 of 218

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Question number: 82

» Mathematics » Basic Geometry

MCQ▾

Question

The exterior angle of a regular polygon is one-third of its interior angle. The number of sides of polygon is

Choices

Choice (4) Response

a.

6

b.

2

c.

8

d.

4

Question number: 83

» Mathematics » Trigonometry

MCQ▾

Question

In the given figure, what is the value of x?

A triangle with given angles

A Triangle With Given Angles

Find the value of x by using given values of angles

Choices

Choice (4) Response

a.

a3

b.

a3 + 1

c.

a - 1

d.

a2

Question number: 84

» Mathematics » Linear Equation

MCQ▾

Question

If abb+1=0 and bcc+1=0 , then what is value of (aac) ?

Choices

Choice (4) Response

a.

2

b.

-1

c.

1

d.

0

Question number: 85

» Mathematics » Trigonometry

MCQ▾

Question

If from a circular sheet of paper of radius 10 cm, a sector of area 40 % is removed and the remaining is used to make a conical surface, then the angle at the vertex will be

Choices

Choice (4) Response

a.

2sin145

b.

sin145

c.

sin135

d.

2sin135

Question number: 86

» Mathematics » Trigonometry

MCQ▾

Question

If three sides of a right angled triangle are integers in their lowest form, then one of its sides is always divisible by

Choices

Choice (4) Response

a.

5

b.

7

c.

6

d.

8

Question number: 87

» Mathematics » Rational Numbers

MCQ▾

Question

A sum of Rs. 53 is divided among A, B and C in such a way that A gets Rs. 7 more than what B gets and B gets Rs. 8 more than what C gets the ratio of their shares is

Choices

Choice (4) Response

a.

15:8:30

b.

6:7:8

c.

12:14:9

d.

25:18:10

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