Mathematics Practice Questions — Set 3

Question 1

If the ratio of boys to girls in a class is 3:2 and there are 20 girls, how many boys are there?

Accepted Answer

25 boys

Answer

30 boys

Answer

20 boys

Answer

10 boys

Question 2

Solve: 2x² - 8 = 0

Accepted Answer

x = ±2

Answer

x = ±4

Answer

x = ±√2

Answer

x = ±1

Question 3

What is the perimeter of a square with area 64 cm²?

Accepted Answer

32 cm

Answer

16 cm

Answer

64 cm

Answer

128 cm

Question 4

Simplify: √(48)

Accepted Answer

4√3

Answer

8

Answer

6√2

Answer

12

Question 5

What percentage is 15 of 60?

Accepted Answer

25%

Answer

30%

Answer

20%

Answer

15%

Question 6

If a = 2 and b = 3, what is a²b + ab²?

Accepted Answer

30

Answer

12

Answer

36

Answer

24

Question 7

What is the greatest common divisor (GCD) of 24 and 36?

Accepted Answer

12

Answer

4

Answer

8

Answer

6

Question 8

A shirt costs 500 pesos. If there's a 20% discount, what is the final price?

Accepted Answer

400 pesos

Answer

100 pesos

Answer

450 pesos

Answer

300 pesos

Question 9

If y = 2x + 3, what is the value of y when x = 4?

Accepted Answer

11

Answer

9

Answer

8

Answer

10

Question 10

What is the least common multiple (LCM) of 4 and 6?

Accepted Answer

12

Answer

24

Answer

6

Answer

4

Mathematics Practice Questions — Set 3

If the ratio of boys to girls in a class is 3:2 and there are 20 girls, how many boys are there?

Solve: $2 x^{2} - 8 = 0$

What is the perimeter of a square with area 64 cm²?

Simplify: $48$

What percentage is 15 of 60?

If $a = 2$ and $b = 3$ , what is $a^{2} b$ + ab²?

What is the greatest common divisor (GCD) of 24 and 36?

A shirt costs 500 pesos. If there's a 20% discount, what is the final price?

If $y = 2 x + 3$ , what is the value of y when $x = 4$ ?

What is the least common multiple (LCM) of 4 and 6?

Mathematics Practice Questions — Set 3

If the ratio of boys to girls in a class is 3:2 and there are 20 girls, how many boys are there?

Solve: 2x2−8=0

What is the perimeter of a square with area 64 cm²?

Simplify: 48​

What percentage is 15 of 60?

If a=2 and b=3, what is a2b + ab²?

What is the greatest common divisor (GCD) of 24 and 36?

A shirt costs 500 pesos. If there's a 20% discount, what is the final price?

If y=2x+3, what is the value of y when x=4?

What is the least common multiple (LCM) of 4 and 6?

Solve: $2 x^{2} - 8 = 0$

Simplify: $48$

If $a = 2$ and $b = 3$ , what is $a^{2} b$ + ab²?

If $y = 2 x + 3$ , what is the value of y when $x = 4$ ?