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The North South Express is a pair of trains between the cities Jammu & Chennai. A train leaves Jammu for Chennai exactly at every day of the week. Similarly, there is a train that leaves from Chennai to Jammu on every day of the week at exactly . The time required by a train to cover the distance between Chennai &jammu is exactly . Find the number of trains from: Chennai to Jammu which a train from Jammu to Chennai will encounter in completing its journey. (Assume all trains run exactly on time).
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Important Questions on Review Tests - Block III
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CAT
IMPORTANT
The North South Express is a pair of trains between the cities Jammu & Chennai. A train leaves Jammu for Chennai exactly at every day of the week. Similarly, there is a train that leaves from Chennai to Jammu on every day of the week at exactly . The time required by a train to cover the distance between Chennai &jammu is exactly . Find the number of trains from: Chennai to Jammu which a train from Jammu to Chennai will encounter in completing its journey. (Assume all trains run exactly on time).
The minimum number of rakes that the Indian Railways will have to devote for running this daily service will be:
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There are two candles each of the same initial length. The first candle can burn for , while the second candle can burn for . Both of them are lit at the same time. After sometime, it was found that one of the candles was twice as long as the second. For how long had the candle been burning?
