MCQ Questions

Question No. 1

Fill in the blanks:

Answer :

(a) The sum of literal x and a number 6 is _________.

(b) Y more than x is written as __________.

(c) The letters which are used to represent or replace numbers are known as ________ numbers.

Question No. 2

True or False:

Answer :

(a) 6 times x is x × 6 , written as 6+x.

(b) The product of x and y is x × y written as xy.

(c) x divided by y is written as x/y.

Question No. 3

One word answer:

Answer :

(a) How is x divided by 6 written?

(b) How is 34 divided by x written?

(c) What is a symbol of having a fixed numerical value called?

Question No. 4

Find a rule which connects the two quantities in each of the following tables:

Answer :

Question No. 5

Find the rule which gives the number of matchsticks required to make the following matchsticks patterns. Use a variable to write the rule :

Answer :

(i) A pattern of letter T

(ii) A pattern of letter U

(iii) A pattern of letter S

(iv) A pattern of letter V

Question No. 6

Frame algebraic expressions for the following :

Answer :

(i) Half of a number added to 7

(ii) A number increased by 12

(iii) Four times a number divided by another number

(iv) Thrice x added to y squared

(v) x minus twice y.

Twice the sum of a number and another number which is three more than the first number.

Question No. 7

Solve:

Answer :

A bird flies 1 kilometre in one minute. Can you express the distance covered by the bird in terms of its flying time in minutes?

Mother has made laddus. She gives some laddus to guests and family members; still 5 laddus remain. If the number of laddus mother gave away is l, how many laddus did she make?

The teacher distributes 5 pencils per student. Can you tell how many pencils are needed, given that the number of students is 7.

Question No. 8

Write the algebraic expressions in the form of statements.

Answer :

(i) 3y + 3

(ii) 42x – 5y

Question No. 9

A number y is always 13 less than a number x

Answer :

(i) Write down the rule which connects x and y.

(ii) Find y when x is 16.

Question No. 10

Separate constant and variables from the following:

Answer :

Question No. 11

Write each of the following in exponential form:

Answer :

(i) a × a × a ........... 16 times

(ii) z × z × z × z × y × y × y

(iii) 3 × 5 × x × x × x × y × y

(iv) p × p × p × p × 2 × q × q × r × s

Question No. 12

Find the value of the following expressions, if a = 3 and b = 4.

Answer :

Question No. 13

Find the value of the following expressions if b = 6, c = 4 and x = 2.

Answer :

(i) 4 (b + x)

(ii) 3b – 2 (c + x)

(iii) x (2b + c – 3)

Question No. 14

Identify the binomials from the following expressions:

Answer :

Question No. 15

Identify the like terms of the following:

Answer :

Question No. 16

Write the coefficient of x in the following terms:

Answer :

Question No. 17

Solve the following equations :

Answer :

Question No. 18

Complete the table and by inspection of table find the solution to the equation m + 10 = 16.

Answer :

Question No. 19

Complete the table and find the solution of the equation using the table.

Answer :

Question No. 20

Using a variable write the following statements in equation form :

Answer :

(i) A number added to 18 results 36.

(ii) Twice a number add to the number result 33.

(iii) Four times a number is 28.

(iv) One fifth of a number is 7

(v) Four times a number subtracted from 50 leaves a remainder 2.

Question No. 21

Numericals:

Question No. 22

________ is a generalized form of Arithmetic.

Answer :

Algebra

Integer

none of these

Question No. 23

Number patterns can be used to help you discover ways to represent certain types of numbers using ________.

Answer :

variables

constants

none of these

Question No. 24

2 is an ______ number.

Answer :

even

odd

none of these

Question No. 25

Which out of the following are expressions with number only?

Answer :

(i) y + 3

(ii) (7 × 20) – 8z

(iii) 5 (21 – 7) + 7 × 2

(iv) 5

(v) 3x

(vi) 5 – 5n

(vii) (7 × 20) – (5 × 10) – 45 + P

Chapter

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