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 460easy
In the following sum, '?' stands for which digit : ? + 1? + 2? + ?3 + ?1 = 21?
Question 461easy
10531 + 4813 - 728 = ? × 87
Question 462easy
n being any odd number greater than 1, n65 - n is always divisible by :
Advertisement
Question 463easy
414 × ? × 7 = 127512
Question 464easy
Find the multiple of 11 in the following numbers.
Question 465easy
884697 - 773697 - 102479 = ?
Advertisement
Question 466easy
In a division sum, the remainder was 71. With the same divisor but twice the dividend, the remainder is 43. Which one of the following is the divisor ?
Question 467easy
What is the number of prime factors contained in the product 307 × 225 × 3411 ?
Question 468easy
217 × 217 + 183 × 183 = ?