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 3542
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 33218
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 7755
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 29713
How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph?2 8503
What is the product of the irrational roots of the equation (2x-1)(2x-3)(2x-5)(2x-7)=9?2 13139
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 5397
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.3 4969
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 4000
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?1357
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 5705
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 8655
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 2811
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 6322
How to identify common acc.numbers from among a set of files ?
What is protein sequencing?
what is the principle involved in Biometry?
NLO : RPS : : ? : ZXA
How to Insert Genomic DNA into yeast ?
Explain about needleman-wunsch algorithm?
What are the limitations of blotting techniques?
What two possibilities are there to describe how gene fragments may have evolved?
How to find coexpressed genes on NCBI GEO?
Did bacteria, archaea, and eukaryotes exchange transporter genes appreciably during the past two billion years?
What is the input and outpit of a distance based algorithm?
What is the idea behind ?weighting? sequences in the package CLUSTAL W for multiple alignment? How are these weights calculated?
Have the proteins of a family generally acquired distinctive properties within each of these three kingdoms for ancient families that arose before bacteria, archaea and eukaryotes diverged?
Explain about the mass number of nuclear?
Draw the E-R diagram for the database of a departmental store having the following relational database scheme Employees(e-no, address) Department(d-name) work-n(e-no, d-name) Looking-after(d-name, e-no) Item (item-no, brand-name, model-no, cost-price, sale-price)