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221
votes
DK - Tamilnadu
π Tamil Nadu
M+J+J+V+V+M=1/24+1/30+1/40
we have to find M+J+V
then,
2(M+J+V)=12/120
2(M+J+V)=1/10
M+J+V=1/20
All together complete the work in 20 days.
we have to find M+J+V
then,
2(M+J+V)=12/120
2(M+J+V)=1/10
M+J+V=1/20
All together complete the work in 20 days.
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218
votes
Prajakta ~ Bengaluru
π India
2(A+B+C)=1/24+1/30+1/40
=12/120 taking L.C.M
=1/10
=1/10*2
= 1/20
All together complete in 20 days.
=12/120 taking L.C.M
=1/10
=1/10*2
= 1/20
All together complete in 20 days.
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215
votes
... ~ Mangalore
π India
Why multiply by 2?
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5
votes
Anonymous
π Karnataka
Y multi by 2 only
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