Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 88 - 93 of 224

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Question number: 88

» Mathematics » Mensuration

MCQ▾

Question

Pressure varies inversely as volume varies and temperature varies directly as volume varies. At a time volume = 50 m 3, temperature = 25 K and pressure = 1 atm. If volume is increased to 200m 3, then the temperature will be

Choices

Choice (4) Response

a.

100 K

b.

80 K

c.

400 K

d.

20 K

Question number: 89

» Mathematics » Trigonometry

MCQ▾

Question

For what value of k, the vertices (2, 1), (3, 3) and (5, k) form an equilateral triangle?

Choices

Choice (4) Response

a.

No such value exist

b.

Equation

c.

4

d.

2

Question number: 90

» Mathematics » Quadratic Equations

MCQ▾

Question

If Equation and Equation are the roots of the equation Equation , then Equation is equal to

Choices

Choice (4) Response

a.

Equation

b.

a 2 + a 4) 2

c.

Equation Equation

d.

All of the above

Question number: 91

» Mathematics » Basic Geometry

MCQ▾

Question

The ratio of an interior angle to the exterior angle of a regular polygon is 5: 1. The number of sides of polygon is

Choices

Choice (4) Response

a.

12

b.

10

c.

14

d.

11

Question number: 92

» Mathematics » Linear Equation

MCQ▾

Question

A and B each have a certain number of mangoes. A says to B, “If you give 30 of your mangoes, I will have twice as many as left with you. ” B replies “If you give me 10, I will have thrice as many as left with you”. How many mangoes did A has?

Choices

Choice (4) Response

a.

32

b.

41

c.

62

d.

34

Question number: 93

» Mathematics » Arithmetic

MCQ▾

Question

Ravi and Sneh working separately can finish a job in 8 and 12 h, respectively. If they work for an hour alternatively, then Ravi beginning at 9: 00 am. When will the job be finished?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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