Numbers

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Question 1

If the sum of two numbers is 13 and the sum of their square is 85. Find the numbers?

  • 6 & 7

  • 5 & 8

  • 4 & 9

  • 3 & 10

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Question 2

The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?

  • 4

  • 5

  • 6

  • None of these

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Question 3

A two-digit number is such that the product of the digits is 12. When 9 is subtracted from the number, the digits are reversed. The number is:
  • 34
  • 62
  • 43
  • 26
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Question 4

Find a positive number which when increased by 16 is equal to 80 times the reciprocal of the number
  • 20
  • -4
  • -10
  • 4
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Question 5

What is the sum of two consecutive odd numbers, the difference of whose squares is 56?

  • 30

  • 28

  • 34

  • 32

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Question 6

The product of two numbers is 108 and the sum of their squares is 225. The difference of the number is:
  • 5
  • 4
  • 3
  • None of these
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Question 7

What is the sum of the first 50 natural numbers?

  • 1325

  • 1225

  • 1275

  • 1270

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Question 8

What is the unit's digit in the product (267)153 x (66666)72 ?

  • 7

  • 6

  • 1

  • 2

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Question 9

What is the total number of prime factors in the expression 1212 x 1616 x 1818 ?

  • 46

  • 154

  • 3456

  • 2

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Question 10

What should be assigned to # so that 2582#724 is divisible by 11 ?
  • 4
  • 5
  • 6
  • 7
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There are 16 questions to complete.

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