Math, asked by RojalinMahanty, 11 months ago

A can do a piece of work in 8 h while B
alone can do it in 12 h. Both A and B
working together can finish the work
in :
(A) 10 h
(B)
(C) 5
(D)​

Answers

Answered by Gautam22121998
1

4.8 hours they will take combined


ushamashaikh8511: Answer is 10 he
Because average of Botha 8+12/2=10
RojalinMahanty: pls solve this answer
RojalinMahanty: 10 answer is not a
RojalinMahanty: mentioned
RojalinMahanty: gd nit sir
Answered by Anonymous
1

Step-by-step explanation:

A= 8 hrs

B= 12 hrs

A&B working 2gether= A×B/A+B

=12×8/20

= 96/20

=4.8 hrs .....


RojalinMahanty: no
RojalinMahanty: 1.10h,2.4h,3.51/4 h ,4.44/5 h
RojalinMahanty: ans point
Anonymous: last d..
RojalinMahanty: tell me the answer step by step
Anonymous: n sorry
Anonymous: 4 hr 48 min.
Anonymous: Ma'am Ans accurate h
Anonymous: good night
Anonymous: n sweet dreams :-)
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