The name of 'Modern Food Stores' is displayed on a board at a junction using neon lights. When the board is switched on, the lights in each word follow a cyclic pattern of turning on and off. The first word remains lighted for 1 1/3 seconds and then remains switched off for 2 seconds. The second word remains switched on for 3 2/3 seconds and then remains switched off for 2 seconds. The third word remains switched on for 7 1/2 seconds and then remains switched off for 2 seconds. If the board is switched on, what is the smallest interval, after which the entire display will again turn on simultaneously?
Correct Answer : D
A leather factory produces two kinds of bags, standard and deluxe. The profit margin is Rs.20 on a standard bag and Rs.30 on a deluxe bag. Every bag must be processed on machine A and on machine B. The processing times per bag on the two machines are as follows:
Time required (Hours / bag)
The total time available on machine A is 700 hours and on machine B is 1250 hours. Among the following production plans, which o ne meets the machine availability constraints and maximizes the profit?
In a 4000 meter race around a circular stadium having a circumference of 1000 meters, the fastest runner and the slowest runner reach the same point at the end of the 5th minute, for the first time after the start of the race. All the runners have the same starting point and each runner maintains a uniform speed throughout the race. If the fastest runner runs at twice the speed of the slowest runner, what is the time taken by the fastest runner to finish the race?
Kamal will complete work in 20 days. If Suresh is 25% more efficient than Kamal, he can complete the work in --- days.