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Number system, percentage, ratio and averages

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About this topic in ADRE Grade III

In the exam pattern: Written examination (OMR), HSSLC level, General Mathematics: 35 questions, 35 marks (SLRC (Class-III) notice, 15 Jul 2024).
Next exam day: ADRE 3.0 written exam (expected): 15 Mar 2027 (Expected — an estimate, not announced).

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Q1 · Number system, percentage, ratio and averages · EASY
Which of the following four-digit numbers is divisible by 9?
Q2 · Number system, percentage, ratio and averages · EASY
What is 15% of 240?
Q3 · Number system, percentage, ratio and averages · EASY
The ratio of two numbers is 3:5. If their sum is 64, what is the larger number?
Q4 · Number system, percentage, ratio and averages · MEDIUM
The average of five numbers is 20. If one number, 15, is removed, what is the average of the remaining four numbers?
Q5 · Number system, percentage, ratio and averages · EASY
Simplify the expression: (1/2) - (1/8) - (1/4).

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