Mathematical/Quantitative Reasoning
A box contains 10 red balls and 5 blue balls. What is the probability of picking a red ball?
A) 1/2
B) 1/3
C) 2/3
D) 1/5
How many kilograms are there in 500 grams?
A) 0.05 kg
B) 0.5 kg
C) 5 kg
D) 50 kg
What is the median of the following set of numbers: 5, 8, 12, 15?
A) 8
B) 10
C) 12
D) 11.5
If a book costs $18 and is sold at a 25% profit, what is the selling price?
A) $20
B) $21
C) $22.50
D) $25
What is the area of a triangle with a base of 20 cm and a height of 10 cm?
A) 50 cm²
B) 100 cm²
C) 200 cm²
D) 250 cm²
If the perimeter of a square is 40 cm, what is the area?
A) 10 cm²
B) 100 cm²
C) 160 cm²
D) 200 cm²
What is the value of 10 + 5 × (8 - 6)?
A) 12
B) 16
C) 20
D) 25
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