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 289easy
A man ate 100 grapes in 5 days. Each day he ate 6 more grapes then those he ate on the earlier day. How many grapes did he eat on the first day ?
Question 290easy
The least number of five digits which is divisible by 123 ?
Question 291easy
The digit in unit's place of the product - $${\left( {2464} \right)^{1793}}$$ $$ \times {\left( {615} \right)^{317}}$$ $$ \times {\left( {131} \right)^{491}}$$
Advertisement
Question 292easy
Thrice the square of a natural number decreased by four times the number is equal to 50 more than the number, the number is -
Question 293easy
$$999\,\frac{1}{7} + 999\frac{2}{7} + 999\frac{3}{7} + $$ $$999\frac{4}{7} + $$ $$999\frac{5}{7} + $$ $$999\frac{6}{7}$$ is simplified to-
Question 294easy
The unit digit in $${\left( {122} \right)^{173}}$$ is ?
Advertisement
Question 295easy
$$\,{2^{16}} - 1$$ is divisible by -
Question 296easy
If a = 4011 and b = 3989, then value of ab = ?
Question 297easy
5349 is added to 3957. Then 7062 is subtracted from the sum. The result is not divisible by :