# knack systems Interview Questions

###### The interest on Rs. 750 for 2 years is equal to the discount on Rs. 810 for the same time and at the same rate. The rate percent is: A. 2% B. 4% C. 6% D. 8%
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###### If both radius of the base and the height of a right circular cone are increased by 20%, its volume will be increased by : A. 70.8% B. 72.8% C. 74.8% D. 76.8%
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###### Find the angle between the hour hand and the minute hand of a clock when 3.25. A. 97/2 B. 95/2 C. 93/2 D. 91/2
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###### Raman mixed 24 kg of butter at Rs. 150 per kg with 36 kg butter at the rate of Rs. 125 per kg. At what price per kg should he sell the mixture to make a profit of 40% in the transaction? A. Rs.187 B. Rs. 189 C. Rs.191 D. Rs.193
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###### The B.D. and T.D. on a certain sum is Rs.200 and Rs.100 respectively. Find out the sum. A. Rs. 100 B. Rs. 200 C. Rs. 300 D. Rs. 400
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###### Evaluate (1 ⁄ 64)^(-1⁄3) A. 2 B. 4 C. 6 D. 8
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