What is the second integers, if first is 77?

The HCF and LCM of two positive integers are 35 and 385 respectively. If one of the integers is 77, what is the other integers?

  1. 350
  2. 210
  3. 175
  4. None of the above
Monis Rasool Professor Asked on 8th June 2015 in Maths.
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1 Answer(s)

Answer: (3) 175
Explanation:-
The LCM & HCF of two numbers are = 385 & 35
One number = 77
Let be the other is 175.
Formula-
HCF x LCM = one number x second number
35 x 385 = 77 x X
X = 35 x 385/77
X = 175

Hence, the other number is 175

Anurag Mishra Professor Answered on 9th June 2015.
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