BCA BCA Mathematics Skills 1

Question 1

If a train travels 240 miles in 4 hours, what is its average speed in miles per hour?

Accepted Answer

60 mph

Answer

Average speed equals total distance divided by total time: 240 ÷ 4 = 60 mph.

Question 2

What is the value of x if 3x + 7 = 22?

Accepted Answer

5

Answer

Subtract 7 from both sides to get 3x = 15, then divide by 3 to get x = 5.

Question 3

A rectangle has a length of 12 cm and a width of 8 cm. What is its area?

Accepted Answer

96 cm²

Answer

The area of a rectangle is length × width: 12 × 8 = 96 cm².

Question 4

What is 15% of 200?

Accepted Answer

30

Answer

15% of 200 = 0.15 × 200 = 30.

Question 5

If the ratio of boys to girls in a class is 3:4 and there are 28 students total, how many boys are there?

Accepted Answer

12

Answer

Boys = (3/7) × 28 = 12, since the total ratio parts are 3 + 4 = 7.

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