Mathematics-Trigonometry [NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension]: Questions 25 - 31 of 51

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Question 25

Question MCQ▾

Two parallel lines AB and CD are intersected by a transversal line EF at M and N, respectively. The lines MP and NP are the bisectors of the interior angles BMN and DNM on the same side of the transversal. Then, ∠ MPN is equal to

Choices

Choice (4)Response

a.

90°

b.

45°

c.

60°

d.

135°

Edit

Question 26

Question MCQ▾

If and , α and β lies between 0 and , then the value of tan 2α is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 27

Question MCQ▾

is equal to as shown in the adjoining figure. If , then is equal to

A Triangle with Given Value of an Angle

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 28

Question MCQ▾

In the given figure, if , and then is equal to

Calculation of Angle

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 29

Question MCQ▾

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

Line Which Make Angles with Another Straight Line

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 30

Question MCQ▾

The perimeter of an equilateral triangle whose area is is

Choices

Choice (4)Response

a.

8 cm

b.

12 cm

c.

3 cm

d.

4 cm

Edit

Question 31

Question MCQ▾

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 and , respectively. The height of the lower plane from the ground (in m) is

Choices

Choice (4)Response

a.

50

b.

c.

d.

150

Edit