Maths Olympiad
Exam
Numerical Ability
Algebra
If a+b+ab+1=76
what will be the possible value of a+b
Read Solution (Total 3)
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- a+b+ab+1=76
=> (a+1)+b+ab=76
=> (a+1)+b(1+a)=76
=> (a+1)(b+1)=76
76=1*76,2*38,4*19
(a,b)or(b,a)=(0,75),(1,37),(3,18)
so,a+b=0+75,1+37,3+18
possible value of (a+b)= 75,38,21 - 10 years agoHelpfull: Yes(6) No(0)
- (a=18 and b=3) or (a=3 and b=18)
i.e., a+b=21 - 10 years agoHelpfull: Yes(1) No(0)
- another possible value is 37 and 1
hence sum would be 38 - 10 years agoHelpfull: Yes(1) No(0)
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