Number System MCQs
Practice free Number System multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 807 questions — no login required.
Question 803easy
The remainder when 30 + 31 + 32 + 33 + . . . . . . . + 3200 is divided by 13 is:
Question 804easy
If m and n are natural numbers such that 2m - 2n = 960, what is the value of m ?
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Question 805easy
If a and b are positive integers, a > b and (a + b)2 - (a - b)2 > 29
Then the smallest value of a is -
Then the smallest value of a is -
Question 806easy
A and B are positive integers. If A + B + AB = 65, then what is the
difference between A and B (A, B ≤ 15)?
Question 807easy
Which of the following fraction is the smallest ?
$$\frac{7}{6},\,\frac{7}{9},\,\frac{4}{5},\,\frac{5}{7}$$
$$\frac{7}{6},\,\frac{7}{9},\,\frac{4}{5},\,\frac{5}{7}$$