111. A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?

✅ The correct answer is option B.
C’s 1 day’s work =
1
–

1
+
1

=
1
–
7
=
1
.

3
6
8
3
24
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A’s wages : B’s wages : C’s wages =
1
:
1
:
1
= 4 : 3 : 1.

6
8
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C’s share (for 3 days) = Rs.

3 x
1
x 3200

= Rs. 400.

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