⟩ 10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work? A. 3 B. 5 C. 7 D. Cannot be determined
C. 7
C. 7
A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, then the number of revolutions mad by the larger wheel is A. 4 B. 9 C. 12 D. 49
Three partners shared the profit in a business in the ratio 5 7 8. They had partnered for 14 months, 8 months and 7 months respectively. What was the ratio of their investments? A. 5 7 8 B. 20 49 64 C. 38 28 21 D. None of these
8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16 65. How much wine did the cask hold originally? A. 18 litres B. 24 litres C. 32 litres D. 42 litres
A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the jogger? A. 3.6 sec B. 18 sec C. 36 sec D. 72 sec
A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water? A. 40 minutes B. 1 hour C. 1 hr 15 min D. 1 hr 30 min
A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long? A. 65 sec B. 89 sec C. 100 sec D. 150 sec
Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is A. 60 gallons B. 100 gallons C. 120 gallons D. 180 gallons
Two goods train each 500 m long, are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to pass the driver of the faster one. A. 12 sec B. 24 sec C. 48 sec D. 60 sec
A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue? A. 10/21 B. 11/21 C. 2/7 D. 5/7
David started a software business by investing Rs. 50,000. After six months, Julia joined her with a capital of Rs. 80,000. After 3 years, they earned a profit of Rs. 24,500. What was David's share in the profit? A. Rs. 9,423 B. Rs. 10,250 C. Rs. 12,500 D. Rs. 10,500