Practice the AP 7th Class Maths Bits with Answers Chapter 3 Simple Equations on a regular basis so that you can attempt exams with utmost confidence.

## AP State Syllabus 7th Class Maths Bits 3rd Lesson Simple Equations with Answers

Choose the correct answer.

Question 1.

Solution of 2x + 5 = 13 is

A) 9

B) 4

C) – 9

D) – 4

Answer:

B) 4

Question 2.

LHS of the equation 2(x – 3) = 5(2x + 4) is

A) 2

B) x – 3

C) 2(x – 3)

D) 5(2x + 4)

Answer:

C) 2(x – 3)

Question 3.

2x + 5 = K then x =

A) K – 5

B) \(\frac{\mathrm{K}-5}{2}\)

C) \(\frac{\mathrm{K}+5}{2}\)

D) \(\frac{\mathrm{K}}{2}\) – 5

Answer:

B) \(\frac{\mathrm{K}-5}{2}\)

Question 4.

L.H.S of 4x – 5 = 3 is ?

A) 3

B) 4x – 5

C) -5

D) 4x

Answer:

B) 4x – 5

Question 5.

R.H.S of 2 = y – 5 is

A) y – 5

B) 2

C) y

D) – 5

Answer:

A) y – 5

Question 6.

If y = – 2 then 3 + y = ………………?

A) 1

B) – 1

C) 0

D) 4

Answer:

A) 1

Question 7.

If \(\frac{-9}{z}\) = \(\frac{-11}{5}\) then – (z) = ………………?

A) \(\frac{45}{11}\)

B) \(\frac{-11}{45}\)

C) \(\frac{-45}{11}\)

D) \(\frac{11}{45}\)

Answer:

C) \(\frac{-45}{11}\)

Question 8.

If 198 = 25 z – 2 ⇒ z = ……………..?0

A) \(\frac{-1}{8}\)

B) \(\frac{1}{8}\)

C) – 8

D) 8

Answer:

D) 8

Question 9.

7x – 11 = 7 – 11 x ⇒ x = ……………….?

A) – 1

B) 2

C) 1

D) 0

Answer:

C) 1

Question 10.

4x – 3 = 3x – 4 ⇒ x = ……………….

A) 1

B) – 1

C) 0

D) \(\frac {1}{7}\)

Answer:

B) – 1

Question 11.

3(x – 3) = 5 (2x + 1) ⇒ x = ………………?

A) – 2

B) 2

C) 1

D) – 1

Answer:

A) – 2

Question 12.

The length of the line segment if x = 2cm is

A) 4cm

B) 8cm

C) 6 cm

D) 16cm

Answer:

B) 8cm

Question 13.

A number increased by 7 is represented as

A) x – 7

B) 7x

C) \(\frac{x}{7}\)

D) 7 + x

Answer:

D) 7 + x

Question 14.

A quantity with positive sign when taken to other side of the equation, then its sign becomes

A) +

B) ×

C) ÷

D) –

Answer:

D) –

Question 15.

A quantity which divides LH.S of an equation ……………. the R.H.S.

A) add

B) subtract

C) multiplies

D) divides

Answer:

C) multiplies

Question 16.

Age of a girl is 11 years what is the age after x years?

A) x

B) 11 + x

C) 11 – x

C) 11x

Answer:

B) 11 + x

Question 17.

Sum of two numbers is 29. If one number is x then the other is

A) 29 + x

B) 29x

C) x – 29

D) 29 – x

Answer:

D) 29 – x

Question 18.

3 times a number exceeds 20 by 2. How do you represent this ?

A) 3x + 2 = 20

B) 3x = 22

C) 3x = 16

D) 3x – 2 = 22

Answer:

B) 3x = 22

Question 19.

If 3 is subtract from twice of a number is equal to 27 then the number is ………………?

A) 30

B) -15

C) 15

D) 10

Answer:

C) 15

Question 20.

The lengths of two of a scale are p,q units then its total length is ……………..?

A) p ÷ q

B) p – q

C) P × q

D) p + q

Answer:

D) p + q

Question 21.

5 is added to thrice of a number give 47 then the number is ………………..

A) 14

B) 15

C) 13

D) 21

Answer:

A) 14

Question 22.

A number is multiplied by 13 and reduced by 7 gives. Then the number is ……………..?

A) 8

B) 7

C) 6

D) 5

Answer:

C) 6

Question 23.

The sum of three consecutive integers is 30 then the least number is …………….?

A) 7

B) 8

C) 9

D) 10

Answer:

C) 9

Question 24.

From the given figure the perimeter of a rectangle is ……………… units.

A) 2p

B) 2q

C) 0

D) pq

Answer:

A) 2p

Question 25.

From the given fig ∠x° = ……………..?

A) 18°

B) 54°

C) 72°

D) 36°

Answer:

D) 36°

Question 26.

The sum of two numbers isl6. If one of them is p, then the other number is ……………..

A) 16 + p

B) 16 – p

C) 16 ÷ p

D) 16 × p

Answer:

B) 16 – p

Question 27.

If the present Age of Kiran is 15 years, then ‘y’ years later his age will be ……………? (years)

A) 15 + y

B) 15 – y

C) 15 × y

D) 15 ÷ y

Answer:

A) 15 + y

Question 28.

If a number exceeds \(\frac {2}{3}\) of itself by 7 then the number is ……………?

A) \(\frac {21}{2}\)

B) 14

C) 21

D) 7

Answer:

C) 21

Question 29.

The product of 3 consecutive integers is 120 then the greatest number is?

A) 4

B) 6

C) 8

D) 5

Answer:

B) 6