Alligation or Mixture

Two boys begin together to write out a booklet containing 535 lines. The first b

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Practice Alligation or Mixture – Two boys begin together to write out a booklet containing 535 lines. The first boy starts with the first line, writing at the rate of 100 lines an hour; and the second starts with the last line then writes line 534 and so on, backward proceeding at the rate of 50 lines an hour. At what line will they meet?

Rahul is a cashew merchant in Kerala. He has cashews in sealed wooden boxes of 1

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Practice Alligation or Mixture – Rahul is a cashew merchant in Kerala. He has cashews in sealed wooden boxes of 10kg each. The price of the cashew increases by Rs.20 per kg for every year, but at the same time, 10% of the cashews are eaten by rodents every year. If the price of a 1 kg of fresh cashew is Rs.100, what is the change in his profits if he sells a sealed box after one year of storage, rather than selling it fresh? (In Rs.)

One bottle is half-full of oil and another bottle with twice the capacity is one

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Practice Alligation or Mixture – One bottle is half-full of oil and another bottle with twice the capacity is one quarter full of oil. If water is added so that both the bottles are full and the contents of both are then poured into a third bottle that is empty and large enough to hold the contents of both, what fractions of the contents in the third bottle is oil?

Water is continuously poured from a reservoir to a locality at the steady rate o

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Practice Alligation or Mixture – Water is continuously poured from a reservoir to a locality at the steady rate of 10,000 liters per hour. When delivery exceeds demand, the excess water is stored in a tank. If the demand for 8 consecutive three-hour periods is 10000,10000,45000,25000,40000,15000,60000 and 35000 liters respectively, what will be the minimum capacity required of the water tank (in 1000 litres) to meet the demand?