Cygnet Infotech Interview Questions

Three pipes A, B and C can fill a cistern in 6 hrs. After working together for 2 hours, C is closed and A and B fill the cistern in 8 hrs.Then, find the time in which the cistern can be filled by pipe A. 10 hrs B. 12 hrs C. 14 hrs D. 16 hrs
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Transpose of a row matrix is A. zero matrix B. row matrix C. column matrix D. diagonal matrix
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What is the probability that a leap year has 53 Sundays and 52 Mondays? A. 1/3 B. 1/5 C. 1/7 D. 1/9
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The average of 8 No’s is 20. The average of first two No’s is 15.5 and that of next three No’s is 64/3.if the 6th No be less than the seventh and eight No. by 4 and 7 respectively, then find eight No. A. 24 B. 25 C. 26 D. 27
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What is the present worth of Rs. 132 due in 2 years at 5% simple interest per annum A. 120 B. 140 C. 160 D. 180
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What is the least number which when divided by 6, 9, 12 and 18 leaves remainder 4 in each care? A. 10 B. 20 C. 30 D. 40
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Answer of factorization of expression 4z(3a + 2b – 4c) + (3a + 2b – 4c) is A. (4z - 1)(3a - 2b -4c) B. (4z + 1)(3a + 2b -4c) C. (4z + 1) - (3a + 2b -4c) D. (4z + 1) + (3a + 2b -4c)
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