Find the number which when increased by 12 % becomes 168.

150

Step-by-step explanation:

Given:-
the number is increased by 12 % becomes 168.
To find:-
Find the number.
Solution:-
Let the number be X
If it is increased by 12%, then
=>X+12% of X
=>X+(12/100)X
=>X+(3/25)X
=>X+3X/25
=>(25X+3X)/25
=>28X/25
The result becomes 168
Therefore, 28X/25=168
=>28X=168×25
=>28X=4200
=>X=4200/28
=>X=150
The number = 150
-
The required number is 150
Check :-
150 is increased by 12%=
150+(150×12/100)
=>150+(15×6/5)
=>150+(3×6)
=>150+18
=>168
Verified the given relation
It is true for X=150