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Two ports A and B are 300 km apart. Two ships leave A for B such that the second leaves 8 hours after the first. The ships arrive at B simultaneously. Find the time the slower ship spent on the trip if the speed of one of them is 10 km/h higher than that of the other.

Correct Answer: 20 hours
A__________300 km_______BLet speed of the 1st ship is s kmph and speed of 2nd ship is (s + 10) kmph. Let 2nd ship takes time t to cover the distance 300 km then 1st ship takes (t + 8) hours.As distance is constant, we have,$$\frac{{\text{s}}}{{{\text{s}} + 10}} = \frac{{\text{t}}}{{{\text{t}} + 8}}$$Or, st + 8s = st + 10tOr, 8s = 10tIf the slower ship took 20 hours (option D) the faster ship would take 12 hours and their respective speeds would be 15 and 25 kmph.

Large, medium and small ships are used to bring water. 4 large ships carry as much water as 7 small ships, 3 medium ships carry the same amount of water as 2 large ships and 1 small ship. 15 large, 7 medium and 14 small ships, each made 36 journeys and brought a certain quantity of water. In how many journeys would 12 large, 14 medium and 21 small ships bring the same quantity ?

Find the appropriate relation for quantity 1 and quantity 2 in the following question: An artificial kund is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the kund at the same time during which the kund is filled by the third pipe alone. The second pipe fills the kund 5 hours faster than the first pipe and 4 hours slower than the third pipe. Quantity 1: The time required by the first pipe? Quantity 2: Time taken by all three pipes to fill the Kund simultaneously

Two ships leave a port at the same time, Ship A sails 300 miles to West and Ship B Sails 400 miles to the North. How fat apart are the ships at the end of their trips?

Two Ships leave a port at the same time.Ship A sails 300 miles to the West Ship B sails 400 miles to the North.How far apart are the ships at the end of their trips?

Which of the following statements are true/false?
1. Every worker who has worked fora period of 240 days or more in a factory during a calendar year shall be allowed during the subsequent calendar year, leave with wages.
2. A worker who has been allowed leave for not less than four days, in the case of an adult, and five days, in the case of a child shall, before his leave begins, be paid the wages due for the period of the leave allowed.
3. If a worker works in a factory works for more than nine hours in any day or for more than 40 hours in any week, he shall, in respect of overtime work, be entitled to wagesat the rate oftwicehis ordinary rate of wages.4. The periods of work of an adult worker in a factory shall be so arranged that inclusive of his intervals for rest, they shall not spread over more than eleven and a half hours in any day.

S1: Most of the perishable foods are shipped by refrigerator ships.
P: They are placed in the refrigerated hold of the ship.
Q: Some foods, such as bananas, are shipped before they get ripe.
R: As the green bananas are loaded, a man watches closely the signs of yellow on them.
S: The cool temperature keep the bananas from getting ripe during the trip.
S6: Ripe bananas are poor travellers and even one ripe banana at the start of the trip can spoil a whole ship load of fruit.

The Proper sequence should be:

Two forest officials in their respective division were involved in the harvesting of tendu leave. One division had an average output of 21 tons from a hectares and other division, which had 12 hectares of land less, dedicated to tendu leaves, got 25 tons of tendu from a hectare. As a result, the second division harvested 300 tons of tendu leaves more than the first. How many tons of tendu leaves did the first division harvest.

A sump is filled by three tankers with uniform flow. The first two tankers operating simultaneously fill the sump in the same time during which the sump is filled by the third tanker alone. The second tanker fills the sump 5 hours faster than the first tanker and 4 hours slower than the third tanker. The time required by the first tanker is:

A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is:

A swimming pool is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the pool in the same time during which the pool is filled by the third pipe alone. The second pipe fills the pool 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is?