TIME AND WORK FOR CAT/SSC/BANK PO

1.  To do a certain work B would take 4 times as long as A and C together and C 3 times as long as A and B together. The three men together complete the work in 5 days. How long would take B and C to complete the work?

(a) 9  days                        (b) 11.11   days            (c) 26  days                        (d) 28  days

2.   To do a certain work B would take 2 times as long as A and C together and C 3 times as long as A and B together. The three men together complete the work in 16 days. How long would take B and C to complete the work?

(a)  27  days           (b) 27  days            (c) 27.42   days                     (d) 27 days

Check video trick for such questions

Video trick

In what ratio must a person mix three kinds of tea costing Rs.60/kg, Rs.75/kg and Rs.100 /kg so that the resultant mixture when sold at Rs.96/kg yields a profit of 20%?

1. 1 : 2 : 4
2. 3 : 7 : 6
3. 1 : 4 : 2
4. None of these

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