What part of 1/16 is 5/12?

PORK:PIG

 Find the one which does not belong to that group ? 

 P and Q take part in 100 m race. P runs at 6kmph. P gives Q a start of 8 m and still beats him by 8 seconds. The speed of Q is: 

If the price of petrol is increased by 25%, by what percentage should a car owner reduce their consumption of petrol to avoid an increase in expenditure?

 A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective. 

A and B together can do a piece of work in 4 hours, while A alone can do it in 16 hours. In what time could B alone do the same work?

 Which of the following will yield maximum discount on Rs. 6896? 

 1) 2 successive discounts of 5% and 5%
2) Single discount of 10%
3) 2 successive discounts of 8% and 2%
 

 Rs.1200 divided among P, Q and R. P gets half of the total amount received by Q and R. Q gets one-third of the total amount received by P and R. Find the amount received by R? 

 Three pipes A, B and C can fill a cistern in 8 minutes,12 minutes and 16 minutes respectively. What is the time taken by three pipes to fill the cistern when they are opened together?