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x y z

30 45

lcm( 90)

3 2

opennig provedure
xz, yz, xz yz...........xz

90x70/100= 63 unit
x worked 8 hours = 24 unit
y works 7 hours= 14 unit
z works 15 hour= 63-38=25


15 hour me 25 unit
3 hour me 5
6 hour me 10 unit
increased by 50%
6 hours = 15 unit

total time taken by z = 6x6= 36 hours.

Forwarded from MANAK SINGH
x y z

30 45

lcm( 90)

3 2

opennig provedure
xz, yz, xz yz...........xz

90x70/100= 63 unit
x worked 8 hours = 24 unit
y works 7 hours= 14 unit
z works 15 hour= 63-38=25


15 hour me 25 unit
3 hour me 5
6 hour me 10 unit
increased by 50%
6 hours = 15 unit

total time taken by z = 6x6= 36 hours.


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