Home » Problems on Numbers – Questions and Answers – Quiz 2

Problems on Numbers – Questions and Answers – Quiz 2

1. The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?

69
78
96
Cannot be determined

2. The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:

20
30
40
None of these

3. A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:

3
5
9
11

4. In a two-digit, if it is known that its unit’s digit exceeds its ten’s digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:

24
26
42
46

5. Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.

3
10
17
20

Score =
Correct answers:

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