# JSS1 Third Term Mathematics Past Questions And Answers

JSS1 Third Term Mathematics questions with options and answers:

Question: Solve for

�

y in the equation

4

�

+

3

=

19

4y+3=19.

A) 4

B) 5

C) 6

D) 8

Answer: B) 5

Question: What is the perimeter of a regular hexagon with each side measuring 4 cm?

A) 20 cm

B) 24 cm

C) 28 cm

D) 32 cm

Answer: B) 24 cm

Question: If the area of a circle is

64

�

64π square units, what is its radius?

A) 4 units

B) 6 units

C) 8 units

D) 16 units

Answer: C) 8 units

Question: Simplify

3

4

×

2

5

4

3

×

5

2

.

A)

3

10

10

3

B)

3

5

5

3

C)

4

5

5

4

D)

6

10

10

6

Answer: A)

3

10

10

3

Question: If

�

+

2

=

10

x+2=10, what is the value of

�

x?

A) 6

B) 7

C) 8

D) 10

Answer: A) 8

Question: What is the sum of the interior angles of a pentagon?

A) 540 degrees

B) 360 degrees

C) 450 degrees

D) 720 degrees

Answer: A) 540 degrees

Question: If a square has a diagonal of

10

2

10

2

units, what is the length of each side?

A) 5 units

B)

5

2

5

2

units

C) 10 units

D)

10

2

10

2

units

Answer: A) 5 units

Question: Find the missing angle in a triangle if the other two angles are

4

0

∘

40

∘

and

7

0

∘

70

∘

.

A)

5

0

∘

50

∘

B)

6

0

∘

60

∘

C)

8

0

∘

80

∘

D)

11

0

∘

110

∘

Answer: A)

5

0

∘

50

∘

Question: If the average of three numbers is 15 and two of the numbers are 12 and 18, what i

s the third number?

A) 15

B) 16

C) 17

D) 20

Answer: B) 16

Question: What is the least common multiple (LCM) of 9 and 15?

A) 18

B) 27

C) 45

D) 90

Answer: D) 90.