Question types

Playing with Numbers question types

99 questions across 6 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.

99
Questions
6
Question groups
5
Question types
Sample Questions

Playing with Numbers questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 12[3 marks sum]3 Marks
The letters A, B, C, D, E, F, G, H and I are assigned values from 1 to 9 but not in that order. 4 is assigned to E . The difference between E and I is 5 . The difference between C and I is 3 . What is the value assigned to C?
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Q 16[4 marks sum]4 Marks
In a 3-digit number, the hundreds digit is twice the tens digit while the units digit is thrice the tens digit. Also, the sum of its digits is 18 . Find the number.
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Q 17[4 marks sum]4 Marks
A two-digit number is 3 more than 4 times the sum of its digits. If 18 is added to the number, its digits are reversed. Find the number.
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Q 18[4 marks sum]4 Marks
In a two-digit number, the digit at the units place is thrice the digit in the tens place. The number exceeds the sum of its digits by 27 . Find the number.
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Q 26MCQ1 Mark
What least value must be given to $n$ so that the number $6135 n 2$ becomes divisible by 9 ?
  • 1
  • B
    3
  • C
    6
  • D
    4

Answer: A.

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Q 28MCQ1 Mark
In a 3-digit number, if the middle digit is equal to the sum of the other two digits, then it is a multiple of
  • A
    9
  • B
    10
  • 11
  • D
    None of these

Answer: C.

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Q 29MCQ1 Mark
What least value must be given to ${ }^*$ so that $97215^* 6$ is divisible by 11 ?
  • A
    1
  • B
    2
  • 3
  • D
    5

Answer: C.

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Q 30MCQ1 Mark
The number $111,111,111,111$ is divisible by
  • A
    9 and 11
  • B
    5 and 9
  • 3 and 11
  • D
    5 and 11

Answer: C.

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