Online Mock Test 1: Number System
10 Questions
| Total Attempts: 1845
Questions and Answers
- 1.If both 112 and 33 are factors of the number a * 43 * 62 * 1311, then what is the smallest possible value of 'a'?
- A.
121
- B.
363
- C.
3267
- D.
33
- 2.Find the greatest number of five digits, which is exactly divisible by 7, 10, 15, 21 and 28.
- A.
99840
- B.
99960
- C.
99900
- D.
99990
- 3.1025 - 7 is divisible by
- A.
9
- B.
2
- C.
3
- D.
None of these
- 4.When a number is divided by 36, it leaves a remainder of 19. What will be the remainder when the number is divided by 12?
- A.
10
- B.
7
- C.
192
- D.
None of these
- 5.Find the G.C.D of 12x2y3z2, 18x3y2z4, and 24xy4z3
- A.
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- B.
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- C.
![]()
- D.
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- 6.Let x, y and z be distinct integers. x and y are odd and positive, and z is even and positive. Which one of the following statements cannot be true?
- A.
is even
![]()
- B.
is odd
![]()
- C.
is odd
![]()
- D.
is even
![]()
- 7.What is the value of M and N respectively? If M39048458N is divisible by 8 & 11; Where M & N are single digit integers?
- A.
7, 8
- B.
8, 6
- C.
6, 4
- D.
5, 4
- 8.48 students have to be seated such that each row has the same number of students as the others. If at least 3 students are to be seated per row and at least 2 rows have to be there, how many arrangements are possible?
- A.
4
- B.
10
- C.
8
- D.
7
- 9.The sum of the first 100 numbers, 1 to 100 is divisible by
- A.
2, 4 and 8
- B.
2 and 4
- C.
2 only
- D.
None of these
- 10.Anita had to do a multiplication. Instead of taking 35 as one of the multipliers, she took 53. As a result, the product went up by 540. What is the new product?
- A.
1050
- B.
540
- C.
1440
- D.
1590
Mathematics is a unit that is concerned with numbers. Decimals are number systems that use the digits as of 1 to 9. A decimal system can be of different bases such as 10 or 100. What do you know of the application of...
Questions: 9 | Attempts: 16974 | Last updated: Jul 27, 2020
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Sample QuestionConvert the binary number 11001 to decimal. The answer is:
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Sample QuestionDecimals, whole numbers, and natural numbers can ALL be rational numbers....if we CAN put them into a FRACTION!
This quiz is designed to test your knowledge of the set of Real numbers including rational and irrational numbers
Questions: 10 | Attempts: 3734 | Last updated: May 25, 2017
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Sample Question-5
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