CSC
Company
Numerical Ability
Age Problem
A number consists of two digits whose sum is 11. If 27 is added to the number, then the digits change their places. What is the number ?
A. 47 B. 65
C. 83 D. 92
Read Solution (Total 8)
-
- 47
If number is xy , then x +y =11
and
10x+y +27 = 10y+x
solving these eqns, we get
x=4 and y =7
so number is 47. - 13 years agoHelpfull: Yes(13) No(1)
- ans:- 47
if 27 is added to 47 the reverse no.of 47 is obtained
- 13 years agoHelpfull: Yes(4) No(2)
- a+b=11
9b-9a=27=>b-a=3
b=7
a=4
number is 47... - 10 years agoHelpfull: Yes(1) No(0)
- a is the answer try it using options
- 9 years agoHelpfull: Yes(1) No(0)
- 47 is the answer
4+7=11 then add 27 to 47 we get 74 - 9 years agoHelpfull: Yes(0) No(0)
- 47
let the number be 10x+y
acc to question
x+y=11
and
10x+y+27=10y+x
On solving the equation we will get the required solution - 9 years agoHelpfull: Yes(0) No(0)
- A.47
47+27=74 and reverse of it will be 47
hence ans is 47 - 9 years agoHelpfull: Yes(0) No(0)
- 47 ,this number individual sum is 11.if we add 27 to that number then sum is 74
- 9 years agoHelpfull: Yes(0) No(0)
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