Mathematics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 16 - 21 of 112

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Question number: 16

» Mathematics » Basic Geometry

MCQ▾

Question

If one angle of a regular polygon be Equation , then number of sides of the polygon is

Choices

Choice (4) Response

a.

24

b.

27

c.

36

d.

6

Question number: 17

» Mathematics » Exponents

MCQ▾

Question

The unit digit in the product of Equation is

Choices

Choice (4) Response

a.

9

b.

3

c.

5

d.

7

Question number: 18

» Mathematics » Percentage

MCQ▾

Question

If x is inversely proportional to y and x is increase by 20%, then y decrease by (Note x and y have same initial value)

Choices

Choice (4) Response

a.

Equation %

b.

Equation %

c.

Equation

d.

Equation

Question number: 19

» Mathematics » Arithmetic

MCQ▾

Question

The cost of a pen is Rs. 5 and the cost of a pencil is Rs. 1. The ratio between number of pen and pencil is 2: 3. If 12 % and 10 % of cost of pen and pencil respectively is increased, then the total selling price of both is Rs. 725. What is the difference between number of pen and pencil?

Choices

Choice (4) Response

a.

30

b.

63

c.

59

d.

50

Question number: 20

» Mathematics » Algebraic Expressions

MCQ▾

Question

How many factors of (Equation ) lie between 2 and 10?

Choices

Choice (4) Response

a.

1

b.

0

c.

2

d.

3

Question number: 21

» Mathematics » Percentage

MCQ▾

Question

Due to the higher tax of the commodity, Government decides to decrease 15 % tax of the commodity. But the consumption is increased by 10%. Then, the decreasing percentage in revenue corresponding to new revenue is

Choices

Choice (4) Response

a.

7.3%

b.

6.5%

c.

5.5%

d.

4.5%

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