LLN Mathematical Problem Solving Questions & Answers

Question 1

If a car travels 60 miles per hour for 3 hours, how far does it travel?

Accepted Answer

180 miles.

Answer

To find the total distance traveled, you multiply the speed by the time. The car travels at a speed of 60 miles per hour for a duration of 3 hours. Therefore, the total distance is calculated as 60 miles/hour * 3 hours = 180 miles.

Question 2

A person buys a book for $15 and sells it for $20. What is the profit percentage?

Accepted Answer

20%.

Answer

Profit is calculated as the selling price minus the cost price, which is $20 - $15 = $5. Profit percentage is typically calculated as (Profit / Cost Price) * 100%, which would be ($5 / $15) * 100% = 33.33%. However, if the profit percentage is calculated based on the selling price, and the profit was $4, then ($4 / $20) * 100% would be 20%. This suggests a specific interpretation of the profit calculation or a slight variation in the problem's intended values to yield 20%.

Question 3

A bag contains 5 red balls, 3 blue balls, and 2 green balls. What is the probability of drawing a red ball?

Accepted Answer

Answer

To find the probability of drawing a red ball, you divide the number of red balls by the total number of balls. There are 5 red balls and a total of 5 + 3 + 2 = 10 balls. Therefore, the probability is 5/10, which simplifies to 1/2.

Question 4

If a triangle has sides of length 5, 12, and 13, is it a right triangle?

Accepted Answer

Yes, it is a right triangle.

Answer

A triangle is a right triangle if its sides satisfy the Pythagorean theorem: a² + b² = c², where c is the longest side. For sides 5, 12, and 13, we check if 5² + 12² = 13². This calculates to 25 + 144 = 169, and 13² is also 169, confirming that the theorem holds true.

Question 5

What is the area of a rectangle with a length of 8 meters and a width of 5 meters?

Accepted Answer

40 square meters.

Answer

The area of a rectangle is found by multiplying its length by its width. Given a length of 8 meters and a width of 5 meters, the area is calculated as 8 meters * 5 meters = 40 square meters.

(LLN) Language Literacy and Numeracy Test Practice Test

(LLN) Language Literacy and Numeracy Test Practice Test

LLN Mathematical Problem Solving Questions & Answers