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Car A starts its journey from P to Q simultaneously another car Y starts from point Q to P and both reach their destination in 3 hours. Car A travels with a speed of 50 km/hr for first hour, 60 km/hr for second hour and 70 km/hr for third hour. Car B travels with 70 km/hr in first hour, 40 km/hr in second hour and 70 km/hr in third hour. After how much time they will meet, if they both start at the same time?
A lady wants to buy the following items in the given price range- 1. Tomato between Rs. 40 and Rs. 45 per kg. 2. Grapes in the price range of Rs. 80 and Rs. 90 per kg. 3. Milk packets at Rs. 23 per liter. In which shop from the following will she definitely get all her items/ A. Shop S sells tomato at Rs. 22.5 per half kg, Grapes at Rs. 82 per kg and milk at Rs. 24 per liter. B. Shop H sells grapes at Rs. 21 per quarter kg, milk at 12.5 per half litre and tomato at Rs. 22 per half kg. C. Shop O sells milk at Rs. 11.5 per half litre, tomato at 21 per half kg and grapes at Rs. 43 per half kg. D. Shop P sells tomato at Rs. 23.5 per half kg, grapes at Rs. 85 per kg and milk at Rs. 23 per litre.
In one hour Zumba, Rashi dances for \(\frac{2}{3}\) of an hour, Raji for \(\frac{3}{4}\) of an hour, Rishab for \(\frac{4}{5}\) of an hour and Rahul for \(\frac{5}{6}\) of an hour. Who dances for the longest time in one hour.
An 8-hour storm with incremental rainfall during each successive hour is tabulated herewith. What will be the correction to total runoff when, whereas the actual ϕ index was 0.5 cm/hour, a wrong magnitude of 0.6 cm/hour was adopted in computing the total runoff? Time from start (hour) Incremental rainfall in each hour (cm) 1 0.4 2 0.8 3 1.2 4 0.9 5 1.8 6 1.0 7 0.3 8 0.8
A pipe, working at full speed, can fill an empty cistern in 1 hour. However, during the first hour it worked at one-twenty-fourth of its capacity, during the second hour at one-twelfth of its capacity, during the third hour at one-eighth of its usual capacity, during the fourth hours at one-fourth of its usual capacity and during the fifth hour it was only one-half as efficient as it was supposed to be. A second pipe also displayed similar performance, but if it worked at full speed would have filled the empty cistern in 2 hours. Together with a drain pipe that drained water out of the tank a constant rate, the empty cistern could be filled in 5 hours, all the three pipe working concurrently. How many hours will it take the drain pipe to empty the filled cistern if no other pipe was functioning during the time?
A dealer offers sells half of the eggs that he has and another half an egg to Anurag. Then he sells half of the balance eggs and another half an egg to Deepak. Then he sells half of the balance eggs and another half an egg to Sivani. In the end he is left with just 7 eggs and he claims that he never broke an egg. How many eggs did he start with?
3 pipes A, B and C will fill an empty reservoir in four hours, five hours and half dozen hours. There is a hole with in the tank, which might empty a full tank in eight hours. Initially, The tank is empty. Pipe A and B are opened. They are closed after half an hour. C is currently opened and allowed to run following one hour. calculate the entire time needed to fill the reservoir if all the 3 pipes are opened at the same time after the first one and a half hours. 
In comparing the operation of the half-controlled 2-pulse circuit with that of the fully-controlled circuit, which of the following statements are evident? 1. Since half the thyristors are replaced by diodes, a half-controlled converter costs less than a fully-controlled converter. 2. Due to the freewheeling action with a half-controlled bridge-circuit power factor is improved in half-controlled converters. 3. The AC supply current is more distorted due to its zero periods with the half-controlled circuit, compared to a fully-controlled bridge circuit. Select the correct answer using the code given below :
In the first 6 hours of a day, a printer can print average of 15 pages/hour, for the next 8 hours it can print 12 pages/hour. For the next 3 hours it can print 17 pages/hour and for the last 7 hours it can print 9 pages/hour, then what is the average speed per hour of the printer for that day?
A pipe, working at full speed, can fill an empty cistern in 1 hour. However, during the first hour it worked at one-twelfth of its capacity, during the second hour at one-ninth of its capacity, during the third hour at one-sixth of its usual capacity and during the fifth hour it was only one -third as efficient as it was supposed to be. A second pipe also displayed similar performance, but if it worked at full speed would have filled the empty cistern in 2 hours. Together with a drain pipe that drained water out of the tank at a constant rate, the empty cistern could be filled in 5 hours, all the three pipes working concurrently. How many hours will it take the drain pipe to empty the filled cistern if no other pipe was functioning during the time?