Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 171 - 175 of 224

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Question number: 171

» Mathematics » Trigonometry

MCQ▾

Question

An aero plane flying at a height of 300 m above the ground phase vertically above another plane at an instant when the angle of elevation of the two planes from the same point on the ground are Equation and Equation , respectively. The height of the lower plane from the ground (in m) is

Choices

Choice (4) Response

a.

150

b.

Equation

c.

50

d.

Equation

Question number: 172

» Mathematics » Percentage

MCQ▾

Question

A rise of Equation in the price of grapes compels a person to buy Equation kg of grapes less for Rs. 240. Then, the original price of grapes per kg is

Choices

Choice (4) Response

a.

Rs. 30

b.

Rs. 32

c.

Rs. 40

d.

Rs. 28

Question number: 173

» Mathematics » Quadratic Equations

MCQ▾

Question

IfEquation , then the value of Equation is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 174

» Mathematics » Mensuration

MCQ▾

Question

The internal and external diameters of a hollow hemispherical vessel are 24 cm and 25 cm, respectively. The total area to be painted is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 175

» Mathematics » Basic Geometry

MCQ▾

Question

In a circle of radius 17 cm, two parallel chords are drawn on opposite side of a diameter. The distance between the chords is 23 cm. If the length of one chord is 16 cm, then the length of the other is

Choices

Choice (4) Response

a.

23 cm

b.

30 cm

c.

34 cm

d.

15 cm

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