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 388easy
The sum of the digits of a 3-digit number is subtracted from the number. The resulting number is always :
Question 389easy
The number of zeros at the end of the product 5 × 10 × 15 × 20 × 25 × 30 × 35 × 40 × 45 × 50 is :
Question 390easy
8888 + 848 + 88 - ? = 7337 + 737
Advertisement
Question 391easy
The number π is :
Question 392easy
A number is successively divided by 8, 7 and 3 giving residues 3, 4 and 2 respectively and quotient 31. The number is :
Question 393easy
If x - y = 8, then which of the following must be true ? I. Both x and y are positive. II. If x is positive, y must be positive. III. If x is negative, y must be negative.
Advertisement
Question 394easy
? × $$\left( {|a| \times |b|} \right) = - {\text{ ab}}$$
Question 395easy
If you subtract - 1 from + 1, what will be the result ?
Question 396easy
All natural numbers and 0 are called the ..... numbers.