EASY
CAT
IMPORTANT
Earn 100

Two men and a woman are entrusted with a task. The second man needs three hours more to cope with the job than the first man and the woman would need working together. The first man, working alone, would need as much time as the second man and the woman working together. The first man, work- ing alone, would spend eight hours less than the double period of time the second man would spend working alone. How much time would the two men and the woman need to complete the task if they all worked together?

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Important Questions on Time and Work

EASY
CAT
IMPORTANT
The Bubna dam has four inlets. Through the first three inlets, the dam can be filled in 12 minutes; through the second, the third and the fourth inlet, it can be filled in 15minutes, and through the first and the fourth inlet, in 20minutes. How much time will it take all the four inets to fill up the dam?
EASY
CAT
IMPORTANT

A fort contains a granary, that has 1000 tons of grains. The fort is under the siege from an enemy army that has blocked off all the supply routes.

The army in the fort has three kinds of soldiers:

Sepoys2,00,000

Mantris1,00,000

Footies1,00,000

100 sepoys can hold 5% of the enemies for one month.

100 mantris can hold 10% of the enemy for 15 days.

50 footies can hold 5% of the enemy for one month

A sepoy eats 1 kg of food per month, a mantri eats 0.5 kg of food per month and a footie eats 3 kg of food. (Assume 1 ton=1000 kg)

The king has to make some decisions based on the longest possible resistance that can be offered to the enemy.

If a king select a soldier, he will have to feed him for the entire period of the resistance. The king is not obliged to feed a soldier not selected for the resistance.

(Assume that the entire food allocated to a particular soldier for the estimated length of resistance is redistributed into the king's palace in case a soldier dies and available for other soldiers.)

If the king makes a decision error, the maximum reduction in the time of resistance could be

EASY
CAT
IMPORTANT

A fort contains a granary, that has 1000 tons of grains. The fort is under the siege from an enemy army that has blocked off all the supply routes.

The army in the fort has three kinds of soldiers:

Sepoys2,00,000

Mantris1,00,000

Footies1,00,000

100 sepoys can hold 5% of the enemies for one month.

100 mantris can hold 10% of the enemy for 15 days.

50 footies can hold 5% of the enemy for one month

A sepoy eats 1 kg of food per month, a mantri eats 0.5 kg of food per month and a footie eats 3 kg of food. (Assume 1 ton=1000 kg)

The king has to make some decisions based on the longest possible resistance that can be offered to the enemy.

If a king select a soldier, he will have to feed him for the entire period of the resistance. The king is not obliged to feed a soldier not selected for the resistance.

(Assume that the entire food allocated to a particular soldier for the estimated length of resistance is redistributed into the king's palace in case a soldier dies and available for other soldiers.)

If the king estimates that the attackers can last for only 50 months, what should the king do to ensure victory?
EASY
CAT
IMPORTANT

A fort contains a granary, that has 1000 tons of grains. The fort is under the siege from an enemy army that has blocked off all the supply routes.

The army in the fort has three kinds of soldiers:

Sepoys2,00,000

Mantris1,00,000

Footies1,00,000

100 sepoys can hold 5% of the enemies for one month.

100 mantris can hold 10% of the enemy for 15 days.

50 footies can hold 5% of the enemy for one month

A sepoy eats 1 kg of food per month, a mantri eats 0.5 kg of food per month and a footie eats 3 kg of food. (Assume 1 ton=1000 kg)

The king has to make some decisions based on the longest possible resistance that can be offered to the enemy.

If a king select a soldier, he will have to feed him for the entire period of the resistance. The king is not obliged to feed a soldier not selected for the resistance.

(Assume that the entire food allocated to a particular soldier for the estimated length of resistance is redistributed into the king's palace in case a soldier dies and available for other soldiers.)

If a reduction in the ration allocation by 10% reduces the capacity of any soldier to hold off the enemy by 10%, the number of whole months by which the king can increase the life of the resistance by reducing the ration allocation by 10% is
EASY
CAT
IMPORTANT

A fort contains a granary, that has 1000 tons of grains. The fort is under the siege from an enemy army that has blocked off all the supply routes.

The army in the fort has three kinds of soldiers:

Sepoys2,00,000

Mantris1,00,000

Footies1,00,000

100 sepoys can hold 5% of the enemies for one month.

100 mantris can hold 10% of the enemy for 15 days.

50 footies can hold 5% of the enemy for one month

A sepoy eats 1 kg of food per month, a mantri eats 0.5 kg of food per month and a footie eats 3 kg of food. (Assume 1 ton=1000 kg)

The king has to make some decisions based on the longest possible resistance that can be offered to the enemy.

If a king select a soldier, he will have to feed him for the entire period of the resistance. The king is not obliged to feed a soldier not selected for the resistance.

(Assume that the entire food allocated to a particular soldier for the estimated length of resistance is redistributed into the king's palace in case a soldier dies and available for other soldiers.)

The minimum amount of grain that should be available in the granary to ensure that the fort is not lost (assuming the estimate of the king of 50 months being the duration for which the enemy can last is correct) is
EASY
CAT
IMPORTANT

A fort contains a granary, that has 1000 tons of grains. The fort is under the siege from an enemy army that has blocked off all the supply routes.

The army in the fort has three kinds of soldiers:

Sepoys2,00,000

Mantris1,00,000

Footies1,00,000

100 sepoys can hold 5% of the enemies for one month.

100 mantris can hold 10% of the enemy for 15 days.

50 footies can hold 5% of the enemy for one month

A sepoy eats 1 kg of food per month, a mantri eats 0.5 kg of food per month and a footie eats 3 kg of food. (Assume 1 ton=1000 kg)

The king has to make some decisions based on the longest possible resistance that can be offered to the enemy.

If a king select a soldier, he will have to feed him for the entire period of the resistance. The king is not obliged to feed a soldier not selected for the resistance.

(Assume that the entire food allocated to a particular soldier for the estimated length of resistance is redistributed into the king's palace in case a soldier dies and available for other soldiers.)

If the king made the worst possible selection of his soldiers to offer the resistance, the percentage increase in the minimum amount of grain that should be available in the granary to ensure that the fort is not lost is
EASY
CAT
IMPORTANT

A fort contains a granary, that has 1000 tons of grains. The fort is under the siege from an enemy army that has blocked off all the supply routes.

The army in the fort has three kinds of soldiers:

Sepoys2,00,000

Mantris1,00,000

Footies1,00,000

100 sepoys can hold 5% of the enemies for one month.

100 mantris can hold 10% of the enemy for 15 days.

50 footies can hold 5% of the enemy for one month

A sepoy eats 1 kg of food per month, a mantri eats 0.5 kg of food per month and a footie eats 3 kg of food. (Assume 1 ton=1000 kg)

The king has to make some decisions based on the longest possible resistance that can be offered to the enemy.

If a king select a soldier, he will have to feed him for the entire period of the resistance. The king is not obliged to feed a soldier not selected for the resistance.

(Assume that the entire food allocated to a particular soldier for the estimated length of resistance is redistributed into the king's palace in case a soldier dies and available for other soldiers.)

The difference in the minimum grain required for the second worst choice and the worst choice to ensure that the resistance lasts for 50 months is
EASY
CAT
IMPORTANT

A fort contains a granary, that has 1000 tons of grains. The fort is under the siege from an enemy army that has blocked off all the supply routes.

The army in the fort has three kinds of soldiers:

Sepoys2,00,000

Mantris1,00,000

Footies1,00,000

100 sepoys can hold 5% of the enemies for one month.

100 mantris can hold 10% of the enemy for 15 days.

50 footies can hold 5% of the enemy for one month

A sepoy eats 1 kg of food per month, a mantri eats 0.5 kg of food per month and a footie eats 3 kg of food. (Assume 1 ton=1000 kg)

The king has to make some decisions based on the longest possible resistance that can be offered to the enemy.

If a king select a soldier, he will have to feed him for the entire period of the resistance. The king is not obliged to feed a soldier not selected for the resistance.

(Assume that the entire food allocated to a particular soldier for the estimated length of resistance is redistributed into the king's palace in case a soldier dies and available for other soldiers.)

If the king strategically attacks the feeder line on the first day of the resistance so that the grain is no longer a constraint, the maximum time for which the resistance can last is