1.in a lottery a total of 100 prizes each of either rupees 500 or 100 are to be given. If the total prize money is rupees 40000 find the number of prices of each type that is rupees 500 and rupees 100.
2. Two trains A and B depart at the same time from Jammu and Delhi towards each other. The distance between Delhi and Jammu is 600 km. Train A travelled at a speed of 65 kilometre per hour and train B at 85 km per hour. After how many hours will they pass each other?
3.the sum of digits of a two digit number is 9. If the fraction formed by making the tens digit as numerator and ones digit as denominator is 1 /2 find the number.
4.if one fourth of a number subtracted from one third of a number gives 12 find the number.
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