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In a two digits number, the tenth digit is 5 more than its unit place digit. Product of number and difference between the ten's digit and unit digit is 470. Find 3/47th of the number.
  • a)
    12
  • b)
    30
  • c)
    6
  • d)
    16
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
In a two digits number, the tenth digit is 5 more than its unit place ...
Let the two digits number be 10b + a
Given,
⇒ a – 5 = b
⇒ a – b = 5
Also,
⇒ (10b + a) × (b – a) = 470
⇒ 10b + a = 94
So, the number is 94
Now,
⇒ (3/47) × number = 94 × (3/47) = 6
∴ 3/47th of given number is 6
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In a two digits number, the tenth digit is 5 more than its unit place digit. Product of number and difference between the ten's digit and unit digit is 470. Find 3/47th of the number.a)12b)30c)6d)16Correct answer is option 'C'. Can you explain this answer?
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