BioTech FYI Center - Resources
 Bioinformatics Interview Questions and Answers Part:   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  (Continued from previous part...) 25. If the sum of n terms of two series of A.P are in the ratio 5n+4:9n+6 .find the ratio of their 13th terms (a) 129/231 (b) 1/2 (c) 23/15 (d) None of the above (a) 129/231 26. If the letters of the word “rachit” are arranged in all possible ways and these words are written out as in a dictionary, what is the rank of the word “rachit”. (a) 485 (b) 480 (c) 478 (d) 481 (d) 481 27. Ravi’s salary was reduced by 25%.Percentage increase to be effected to bring the salary to the original level is (a) 20% (b) 25% (c) 33 1/3% (d) 30% (c) 33 1/3% 28. A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In how many days will A alone finish the job (a) 48 (b) 34 2/7 (c) 44 (d) 45 (a) 48 29. How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph (a) 70sec (b) 1min (c) 1 min 15 sec (d) 55 sec (b) 1min 30. What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9? (a) 3/2 (b) 4 (c) 3 (d) 3/4 (a) 3/2 (Continued on next part...) Part:   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16