The ratio of the amount of work done by (x – 1) labours in (x + 1) d – McqOptions

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1.	The ratio of the amount of work done by (x – 1) labours in (x + 1) days and that done by (x + 1) labours in (x + 2) days is 5 : 6. Then the value of x is:
A.	16
B.	15
C.	17
D.	14
Answer» B. 15

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