The sum of 55% of a number and 40 % of the same number is 180.5 . What is 80% of that number ?
A. 134
B. 152
C. 148
D. 166
A. 134
B. 152
C. 148
D. 166
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Correct Answer – B
(b) Let the number be x.
Now (55+40)% of x=180.5
`implies ( x xx 95)/(100)=180.5implies x=(108.5xx100)/(95)=190`
Now `80%` of `190=(190xx80)/(100)=152`