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  • HCF and LCM - II (TSICET)
  • Find the smallest number which when decreased by 9 become...
Multiple choice

Find the smallest number which when decreased by 9 becomes exactly divisible by 30, 32 and 42.

  1. 3369

  2. 3370

  3. 3375

  4. 3372

  5. 3368

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Required number = LCM + the number subtracted

= LCM of 30, 32 and 42 + 9

= 3360 + 9

= 3369

So, the required number is 3369.

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