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?1 2935
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) 4818 28512
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%3 6336
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?5 22967
How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph?2 6751
What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9?2 10315
Which of the following parameters is the same for molecules of all gases at a given temperature? (a) Mass (b) Momentum (c) Speed (d) Kinetic energy.1 3926
A solid is completely immersed in liquid. The force exerted by the liquid on the solid will (a) Increase if it is pushed deeper inside the liquid (b) Change if its orientation is changed (c) Decrease if it is taken partially out of the liquid (d) None of the above.2 3296
Select the correct statements (a) A simple harmonic motion is necessarily periodic (b) An oscillatory motion is necessarily periodic (c) A periodic motion is necessarily oscillatory (d) All of the above.2 2925
An electron is injected into a region of uniform magnetic flux density with the components of velocity parallel to and normal to the flux. What is the path of the electron?936
A constant voltage is applied between the 2 ends of a uniform metallic wire. Some heat is developed in it. The heat developed is doubled if (a) both the length and radius of the wire are halved. (b) both the length and radius of the wire are doubled (c) the radius of the wire is doubled (d) the length of the wire is doubled.1 4519
If Young?s double slit experiment is performed in water (a) the fringe width will decrease (b) the fringe width will increase (c) the fringe width remains unchanged (d) there will be no fringe.3 6995
The shape of a spot of light produced when bright sunshine passes perpendicular through a hole of very small size is (a) Square, because the hole is a square (b) Round, because it is an image of the sun (c) Round with a small penumbra around it (d) Square with a small penumbra.1 2391
Some forms are books. All books are made of paper (a) Some forms are made of paper (b) Some forms are not made of paper (c) No forms are made of paper (d) None of the above.1 3815
Define perl and clustalW problem?
An electron is injected into a region of uniform magnetic flux density with the components of velocity parallel to and normal to the flux. What is the path of the electron?
Integrate 3x + 5 / (x3-x2-x+1)?
What is C-compliator?
What is the idea behind ?weighting? sequences in the package CLUSTAL W for multiple alignment? How are these weights calculated?
What is enzyme-ligand interaction?
what is an active ? (UML)
Explain about needleman-wunsch algorithm?
what is a qi number?
How to caculate coordinates of each atoms on 3 D HP model?
A certain radioactive element A, has a half life = t seconds. In (t/2) seconds the fraction of the initial quantity of the element so far decayed is nearly how much?
How can we find the direction of an nucleotide substitution, for example; C to T or T to C?
How to predict the function of a gene (product)?
How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph?
What is the criteria for LTQ (LC-MS/MS) SEQUEST search?