Question

(S.S.C.2001
ock in 7
(4. A does 20% less work than B. If A can complete a piece of work in
1
hours
then B can do it in
(S.S.C. 2006
(a) 5 hours
(b) 5
hours
(c) 6 hours
(d) 6- hours​

Answer 1

Answer:

0.8 HRS

Step-by-step explanation:

UR OPTIONS ARE WRONG

EFFICIENCY IS INVERSELY PROPORTIONAL TO TIME

80/100=X/1

X=4/5

X=0.8 HRS