Accenture
Company
Numerical Ability
Number System
In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:
A. 24 B. 26
C. 42 D. 46
Read Solution (Total 2)
-
- Let the tens digit be x,
Then, the unit digit is x+2
As per the condition,
(10x+x+2)*(2x+2)=144
(11x+2)^2=144
(11x+2)*(2x+2)=144
Solving, x=2( the tens digit)
Unit digit is 4
Hence the answer is 24(option is A) - 13 years agoHelpfull: Yes(18) No(1)
- 24
4>2
2+4=6,
24*6=144
- 10 years agoHelpfull: Yes(5) No(0)
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