1. The sum of two numbers is 1215
and their HCF is 81. How many
such pairs of numbers can be
formed?
(1) 3 (2) 4
(3) 6 (4) None of these
Answers
Answered by
1
81a + 81b=1215
a + b =15
co-primes (2 primes that add up to 15) of 15 are (2,13)
the numbers are (u have to now multyply )81*2= 162 and 81*13=1053 i hope it will help u
a + b =15
co-primes (2 primes that add up to 15) of 15 are (2,13)
the numbers are (u have to now multyply )81*2= 162 and 81*13=1053 i hope it will help u
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