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There are 720 boxes, A can paint them in 20 days, B can paint them in 24 days, C in 15 days. If A paints for 4 days, B for 8 days and C for 8 days, how many boxes will be painted in total?

Read Solution (Total 3)

A can paint 20days=720 ->1 day=36
B can paint 24days=720 ->1 day=30
C can paint 15days=720 ->1 day=48
so 4*36+8*30+8*48=768boxes
12 years agoHelpfull: Yes(29) No(4)

768 boxes will be painted by them.
12 years agoHelpfull: Yes(6) No(3)
144+240+384=808
12 years agoHelpfull: Yes(0) No(8)

TCS Other Question

In a School 60% of the students are girls of which 45% are poor, what is the probability of selecting a poor girl among the students as school leader? A child is looking for his father. He went 90 metres in the East before turning to his right. He went 20 metres before turning to his right again to look for his father at his uncle’s place 30 metres from this point. His father was not there. From here he went 100 metres to the North before meeting his father in a street. How far did the son meet his father from the starting point?
a] 80 metres b] 100 metres c] 140 metres d] 260 metres