exam
Maths Puzzle
A can build up a structure in 8 days and B can break it is 3 days. A has worked for 4 days and then B joined to work with A for another 2 days only. In how many days will A alone build up the remaining part of the structure?
A.
10
B.
9
C.
12
D.
None of these
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exam Other Question
Anil does a work in 90 days, Bittu in 40 days and Chintu in 12 days. They work one after another for a day each, starting with Anil followed by Bittu and then by Chintu. If the total wages received are Rs 360 and Anil, Bittu, Chintu share them in the ratio of the work done, find their respective individual wages.
A.
Rs 40, Rs 60 and Rs 260
B.
Rs 36, Rs 81 and Rs 243
C.
Rs 42, Rs 86 and Rs 232
D.
Rs 38, Rs 88 and Rs 234
A and B borrowed a tractor for 23 days. A ploughed 12 acres per day for a certain number of days and then Bused it to plough 15 acres per day for the remaining days. If they paid Rs 3,000 and Rs 2,000 respectively, for how many days did A use the tractor?
A.
12
B.
15
C.
16
D.
18