CBSE Class 7 Mathematics Simple Equations MCQs

V-Simple  Equations

Question. The number which when added to its half gives 30 . The number is _______ .
a. 10
b. 20
c. 40
d. 60

Answer: B

Question. The sum of two consecutive multiples of 6 is 66 . Find the multiples ?
a. 32 , 34
b. 42 , 24
c. 30 , 36
d. none of these

Answer: C

Question. After 12 years I shall be 3 times as old as I was 4 years ago . Find my present age ?
a. 12
b. 13
c. 14
d. 15

Answer: A

Question. The value of the variable in the equation 

_________

a. 2
b. 12
c. 11
d. none of these

Answer: A

Question. The value of x in the equation 4x/3 = 7 – x is _________ .
a. 3
b. 4
c. 5
d. 6

Answer: A

Question. A number increased by 20 and then reduced by 15 becomes 10 . Then the number is ___________ .
a. 2
b. 5
c. 6
d. 7

Answer: B

Question. Two –third of a number subtracted from 10 gives 10 . Then the number is ___________.
a. 30
b. 10
c. 0
d. none of these

Answer: C

Question. The value of the variable in the equation 5( -7x+3 ) = x – 21 is __________ .
a. 1
b. 2
c. -1
d. -2

Answer: A

Question. Three-fourth of a number is 5 more than 7 . the number is __________ .
a. 16
b. 8
c. 12
d. 14

Answer: A

Question. If I add three-eight to one eight of a number , I get zero . The number is __________ .
a. 0
b. 3
c. -3
d. none of thes

Answer: C

Question. If three-fifth of a number is four more than half of a number , then what is the number ?
a. 20
b. 30
c. 40
d. 50

Answer: C

Question. If the difference of a number and 9 is 13 , then the number is ___________ .
a. 22
b. 7
c. 16
d. 9

Answer: A

Question. In a class of 40 students , the number of girls is z/3 of boy’s . Then how many girls are there in the class ?
a. 16
b. 24
c. 26
d. none of these

Answer: A

Question. Find x if 

a. 100
b. 120
c. 150
d. none of these

Answer: B

Question. The sum of three consecutive number be 78 . Find the number ?
a. 75
b. 55
c.25
d.45

Answer: C

Question. x is a number such that three times x is 36 . Which of these will be equal to 8?
a. x/6
b. x/3
c.zx/3
d. 3x/4 

Answer: C

Question. Raju reads z/3 of a book . He finds that there are still 100 pages to be read . The total number of pages in the book are .
a. 100
b. 200
c. 300
d. none of these

Answer: C

Question. Measures of three angles of a Δle are 2x^°, ( 3x + 15 )^°and ( 8x – 30 )^° . then the measures of angles are …
a. 30 , 60 , 90
b. 45 , 45 , 90
c. 60 , 60 , 60
d. none of these

Answer: A

Question. Dileep has 3 more marbles than Rohit . If both have 95 marbles then Dileep has _____ number of marbles .
a. 45
b. 46
c. 47
d.45

Answer: B

Question. The equation for the statement “ 6 less from thrice a number m is 18 “ is _________ .
a. 3m – 6 = 18
b. 6 – 3m = 18
c. 6 ÷ 3m = 18
d. none of these.

Answer: A

Question. If x - 200 = 200, how much is x + 200?
a. 0
b. 200
c. 400
d. 600

Answer: D

Question. 10 th term for the expression n² + 1 is 
a. 21
b. 101
c. 1001
d. 1021

Answer: B

Question. Tinu has to jump through a distance equal to ¼ of his height to reach his father's height. If Tinu's father is 180 cm tall, how tall is Tinu?

a. 45 cm
b. 135 cm
c. 144 cm
d. 225 cm

Answer: C

Question. How many pairs of parallel lines are there in the figure below?

a. 4
b. 3
c. 2
d. 1

Answer: A

Question. Which figure below shows a pair of perpendicular lines?

Answer: D

Question. Calculate angle x.

a. 55⁰
b. 70⁰
c. 90⁰
d. cannot be determined

Answer: B

Question. How many pairs of parallel lines are there in the figure?

a. 4
b. 3
c. 2
d. 1

Answer: B

Question. According to the given figure, which angle must p NECESSARILY be equal to?

a. Q
b. R
c. S
d. T

Answer: C

Question. Some of the corners of the cuboid are named. 
Which of the following is perpendicular to edge SQ?

a. RS
b. RU
c. UT
d. RP

Answer: A

Question. Nidhi has cut out a semi-circular piece from a plastic sheet and divided it into 8 equal parts as shown. 
She wants to use this to measure angles. Which of the following angles will she be able to measure accurately using this semi-circular piece?

a. 30⁰
b. 45⁰
c. 60⁰
d. 100⁰

Answer: B

Question. In the given figure, YZ is a straight line and O is a point on it. OP bisects  angle QOY. AnglePOQ is twice angle  QOZ, what is the degree measure of angle POZ?

a. 1200
b. 1080
c. 1000
d. 900

Answer: B

Question. 2 pencils are held in four different positions as shown below. In which position would the pencils be said to be parallel?

Answer: B

Question. Which of the following can be the sum of angles P and Q of a triangle PQR obtuse angled at R?
a. 10⁰
b. 90⁰
c. 105⁰  
d. 160⁰

Answer: A

Question. Line LM and rays OP, OQ, and OR meet at point O.Under which of the following conditions will angle LOR be equal to angle QOM?

a. When line LOR be parallel to line QOM.
b. When L, O and Q are collinear.
c. When R, O and Q are collinear.
d. When R, O and P are collinear.

Answer: C

CHAPTER -4

SIMPLE EQUATIONS

Question. Which of the following is the value of ‘m’ in the equation 3m – 14 = 4
(a) 4
(b) 5
(c) 6
(d) 7

Question. Which of the following is the solution of the equation 2x – 3y = 1
(a) x= 1, y = 1
(b) x= 1, y = 2
(c) x = 2 , y = 1
(d) x =--1, y = 2

Question. The sum of three times a number & 11 is 32. Find the number?
(a) 6
(b) 7
(c) 10
(d) 21

Question. The sum of the ages of three persons is 50 years. What will be the sum their Ages after 5 years?
(a) 65
(b) 55
(c) 150
(d) 21

Question. One – fifth of a number minus 4 gives 3. Find which of the following is the number? 
(a) 20
(b) 7
(c) 15
(d) 35