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 640easy
What is the largest 4 digit number that is exactly divisible by 93?
Question 641easy
Which of the following pairs of non-zero values of p and q make 6-digit number 674pq0 divisible by both 3 and 11?
Question 642easy
The number which can be written in the form of n(n + 1)(n + 2), where n is a natural number, is:
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Question 643easy
What is the value of 9991 × 10009?
Question 644easy
Twenty one times of a positive number is less than its square by 100. The value of the positive number is:
Question 645easy
Let x = (633)24 - (277)38 + (266)54. What is the units digits of x?
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Question 646easy
What is the sum of all the common terms between the given series S1 and S2? S1 = 2, 9, 16, . . . . . ., 632 S2 = 7, 11, 15, . . . . . ., 743
Question 647easy
The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19. Find the first term?
Question 648easy
If x = (164)169 + (333)337 - (727)726, then what is the units digit of x?