Q.24)
Question: (1 marks)
The value of integral
2
So dxdydz is equal to
o
3
1
A
B
C С
D
2
None.
Ans.
Answers
Answered by
25
Answer:
A's 2 day's work = 1 x 2 = 1 .
20 10
(A + B + C)'s 1 day's work = 1 + 1 + 1 = 6 = 1 .
20 30 60 60 10
Work done in 3 days = 1 + 1 = 1 .
10 10 5
Now, 1 work is done in 3 days.
5
Whole work will be done in (3 x 5) = 15 days.
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