Quantitative Aptitude Challenge – Page 1

Test your speed and accuracy with these exam-level questions. Detailed step-by-step solutions are provided.

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Q1. Percentage

Find 25% of 480

Solution:
25% = 1/4
480 ÷ 4 = 120
Answer = 120

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Q2. Time & Work

A can complete a work in 10 days and B in 20 days. How many days together?

Solution:
LCM = 20
A efficiency = 2
B efficiency = 1
Total = 3
Time = 20/3 days

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Q3. Time Speed Distance

A car travels 60 km in 2 hours. Find speed.

Solution:
Speed = Distance / Time
= 60 / 2 = 30 km/h

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Q4. Ratio

Divide 100 in ratio 2:3

Solution:
Total parts = 5
1 part = 20
Answer = 40 and 60

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Q5. Average

Average of 10, 20, 30 = ?

Solution:
Sum = 60
Average = 20

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Speed Tip

Convert percentages into fractions and use LCM method for time & work.