﻿ The numerical expression 37+-78=2556 shows that from Class 12 TET Previous Year Board Papers | Mathematics 2018 Solved Board Papers

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# TET Class 12 Mathematics Solved Question Paper 2018

#### Multiple Choice Questions

21.

Given below is a data set of temperatures (in oC)
-6,-8,-2,3, 2, 0,5, 4, 8.

What is the range of the data?

• 16 oC

• 18 oC

• 10 oC

• 0 oC

22.

A coin is tossed 10 times and the outcomes are observed as
H, T, H, T, T, H, H, T, H, H
(H is Head; T is Tail)
What is the probability of getting Head?

• $\frac{4}{5}$

• $\frac{2}{5}$

• $\frac{1}{5}$

• $\frac{3}{5}$

# 23.The numerical expression $\frac{3}{7}+\frac{\left(-7\right)}{8}=\frac{25}{56}$ shows thatrational numbers are closed under subtraction rational numbers are closed under multiplication rational numbers are closed under division rational numbers are closed under addition

D.

rational numbers are closed under addition

24.

Which one of the following 3D shapes does not have a vertex?

• Prism

• Cone

• Sphere

• Pyramid

25.

If ${\left(\frac{5}{7}\right)}^{4}×{\left(\frac{5}{7}\right)}^{-3}={\left(\frac{5}{7}\right)}^{5x-2}$ ,then x is equal to

• $\frac{2}{5}$

• $\frac{3}{5}$

• $\frac{4}{5}$

• $\frac{1}{5}$

26.

Let a, b, c be three rational numbers, where a=$\frac{3}{5}$, b= $\frac{2}{3}$ and c =$\frac{-5}{6}$, which one of the following is true?

• $a÷\left(b+c\right)=b÷\left(a+c\right)$

• $a-\left(b-c\right)=c-\left(a-b\right)$

• $a×\left(b+c\right)=b×\left(a+c\right)$

27.

A geometric representation, showing the relationship between a whole and its part, is

• pie chart

• pictograph

• bar graph

• histogram

28.

If q is the square of a natural number p, then p is

• the square root of q

• equal to q

• greater than q

• the square of q

29.

The value of $\sqrt{91+\sqrt{70+\sqrt{121}}}$ is

• 10

• 11

• 12

• 9

30.

In a park, 784 plants are arranged, so that number of plants in a row is same as the number of rows. The number of plants in each row is

• 28

• 38

• 48

• 18