CAT Exam

With a certain amount a person can either buy 50 oranges or 40 mangoes. He retain 10% amount for taxi fare and buys 20 mangoes and of the balance he purchase oranges. How many oranges he can purchase ?

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CAT Other Question

Two varieties of rice are mixed in the ratio 2 : 3 and sold at Rs. 22 per Kg, resulting in a profit of 10%. If the cost of the smaller quantity be Rs. 14 per kg, then what is the cost of the larger quantity(per kg )? a cow was standing on a bridge,5m away from middle of the bridge.a train was coming towards the bridge from the end nearest to the cow.seeing this the cow ran towards the train and managed to escape when the train was 2m away frm the bridge.if it had run in the opposite direction (away frm train) it would have been hit by the train 2m before the end of the bridge.what is the length of bridge in meters assuming speed of train is 4times that of the cow...