# quintessence business solutions & services Interview Questions

###### H.C.F of 4 x 27 x 3125, 8 x 9 x 25 x 7 and 16 x 81 x 5 x 11 x 49 is A. 160 B. 170 C. 180 D. 190
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###### By selling an article at Rs.600, a profit of 25% is made. Find its cost price? A. Rs.560 B. Rs.540 C. Rs.520 D. Rs. 480
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###### The number of non-zero rows in an echlon form is called ? A. rank of a matrix B. cofactor of the matrix C. reduced echlon form D. conjugate of the matrix
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###### A clock is set right at 5am the clock loses 16min in 24 hours. What will be the right time when the clock indicates 10am? On the 4th day? A. 11.15pm B. 10.45pm C. 11pm D. 10.30pm
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###### One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is either a red card or a king ? A. 7/11 B. 7/13 C. 7/15 D. 7/17
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###### Two groups, A and B wrote an exam. The probability of A’s pass is 2/7 and the probability of B’s pass is 2/5. What is the probability that only one of them is passed out? A. 18/33 B. 18/35 C. 18/37 D. 18/39
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