Let’s assume that the man and the train normally met at the crossing at 8 A.M., then the usual time of the cyclist at the bend is 8 A.M. and he is 6 miles behind at 7.30 A.M. But when the cyclist is late, he arrives at the bend at 8.25 A.M. and therefore he is six miles behind at 7.55 A.M. Since the train takes 5 minutes to travel the six-mile run, the speed of the train is 72 m.p.h.

The woman made altogether Rs. 20. She mads Rs. 10 when she sold the item for the first time and another Rs. 10 when she sold it for the second time.

84

The manufacturer must take one flywheel made by each machine, find their total weight and compare this with the weight of the equivalent number of good flywheels to obtain the difference. Then he must take 1 flywheel from machine number one, 2 flywheels from machine number two and so forth, and weigh these against the correct weight for that number of parts

The merchant must mix 70 Kilos of the Rs. 32 coffee with 30 Kilos of Rs. 40 coffee.

I must have had Rs 42 in my purse when I started out.

4, 5 and 6.

If the sari cost Rs. 100 and the blouse Rs. 10 the difference would be Rs. 90, and therefore the sari must cost more and the blouse less. A little thought indicates the sari costs Rs. 105 and the blouse Rs. 5. So the difference in cost is Rs. 100.

The date on which I met the boy was 1st January 1977, and the boys birthday was on 31st December, 1976. The boy was 11 years old on the day I met him.