MBA Exam Numerical Ability Number System

a certain proper fraction when expressed in the simplest form greater than zero has its numerator 14 less than thrice the denominator.if it is the least of such proper fractions,what is its denominator?pl. provide sol.

1) 4
2) 6
3) 5
4) 7

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MBA Other Question

fresh grapes contains 90% water by weight where as dry grapes contains 20% water by weight.ram buys 64 kg of fresh grapes for rupees 160.at what price should ram sell the dry grapes to get a profit of 20%?pl. provide sol. also.

1) 24
2) 30
3) 36
4) 40
a man had enough money to purchase 16 apples or 10 mangoes.if the man buys 4 apples and 5 mangoes and is left with rupees 20,then what is the difference in the prices of an apple and a mango?pl. provide sol.

1) 2
2) 3
3) 4
4) 6