Mathematics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 15 - 21 of 119

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Question number: 15

» Mathematics » Statistics

MCQ▾

Question

Median of a data set is a number which has an equal number of observations below and above it. The median of the data 1, 9, 4, 3, 7, 6, 8, 8, 12, 15 is

Choices

Choice (4) Response
a.

7.5

b.

8

c.

7

d.

any number between 7 and 8

Question number: 16

» Mathematics » Linear Equation

MCQ▾

Question

Rs. l and Rs. 5 coins are available (as many required). Find the smallest payments which cannot be made by these coins, if not more than 5 coins are allowed

Choices

Choice (4) Response
a.

14

b.

18

c.

3

d.

12

Question number: 17

» Mathematics » Basic Geometry

MCQ▾

Question

Which of the following polygons are uniquely determined when all the sides are given?

Choices

Choice (4) Response
a.

Quadrilateral

b.

Pentagon

c.

Triangle

d.

Hexagon

Question number: 18

» Mathematics » Basic Geometry

MCQ▾

Question

Suppose you walk from home to the bus stand at 4 km/h and immediately return at x km/h. If the average speed is 6 km/h then x is

Choices

Choice (4) Response
a.

12 km/h

b.

8 km/h

c.

Cannot be determined unless the distance from home to bus stand is known.

d.

10 km/h

Question number: 19

» Mathematics » Algebraic Expressions

MCQ▾

Question

(a - b) 2 + (b - a) 2 i s

Choices

Choice (4) Response
a.

Never zero

b.

Positive only if ab

c.

Always zero

d.

Positive if and only if a > b

Question number: 20

» Mathematics » Basic Geometry

MCQ▾

Question

If one angle of a regular polygon be 1650 , then number of sides of the polygon is

Choices

Choice (4) Response
a.

24

b.

27

c.

36

d.

6

Question number: 21

» Mathematics » Exponents

MCQ▾

Question

The unit digit in the product of 31001×71002×131003 is

Choices

Choice (4) Response
a.

9

b.

3

c.

5

d.

7

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