Q1. Two bodies changed from p1v1 to p2v2 state in two ways. The heat supplied is delta Q and work done is delta W Then what is constant in these two processes (a) delta q (b) delta w (c) delta q + delta w (d) delta q - delta w Ans. (d)
Q2. _______ have same atomic number and same mass number are (a) Isotopes (b) Isotones (c) Isomers (d) Isobars Ans. (c)
Q3. When a free electron is placed in a plane of electro magnetic then it moves in (a) in the direction of the electric field (b) in the direction of magnetic field (c) of propagation of wave (d) of the plane containing magnetic field and propagation direction.
Q4. Name the phenomena in which one proton is jumped from one isomer to another isomer to create two different elements (a) functional isomerisim (b) sterio merisim (c) tauto merisim (d) penta merisim Ans. (c)
Q5. In the below compounds which one has 40% C ,6.7% H and 53.3 % O what is its empherical formula (a) CHO (b) CH2 (c) C2H2O2 (d) C2H3O2 Ans: (b)
Q6. X rays are coming from X ray tube, the wavelength is _______ a certain wavelength/s (a) below (b) above (c) inbetween (d) out of Ans. (c)
Q7. In a triode valve in order to increase the saturation current what has to be done (a) increase plate voltage (b) reduce distance between grid and plate (c) increase cathode potential (d) reduce grid potential Ans. (d )
Q8. Seven different toys are distributed among 3 children how many different ways are possible? (a) 7C3 (b) 7P3 (c) 3 7 (d) 7 3 Ans. (c)
Q9. A, B ans C are three speakers. They have to speak randomly along with another 5 speakers in a function. A has to speak before B and B has to speak before C. What is the probability. Ans. 1/6
Q10. If dy = (secx + ytanx)dx, Then the curve is (a) x = ycosx (b) x = ysinx (c) x = ytanx (d) x = ysecx Ans. (a)
Q11. Two series are 16,21,26.... and 17,21,25..... What is the sum of first hundred common numbers (a) 101100 (b) 110100 (c) 101110 (d) 110101 Ans. (a)
Q12. There are two sections in a question paper each contain five questions. A students has to answer 6 questions. Maximum no. of questions that can be answered from any section is 4. How many ways he can attempt the paper? (a) 50 (b) 100 (c) 120 (d) 200 Ans. (d)
Q13. a and b are two numbers selected randomly from 1,2,3.... 25 what is the probability of a and b are not equal. (a) 1/25 (b) 24/25 (c) 13/25 (d) 2/25 Ans. (b)
Q14. The sum of the series 1 + 1(1+1/n) + 3(1+1/n)2 + ..... is equal to? Ans. n2
Q15. Two circles of different radii intersects each other what is the maximum no of intersections (a) 0 (b) 1 (c) 2 (d) 3 Ans. (c)
Q16. If x= sin-1(t), y = log(1-t2), find d2y/dx2 when t=1/2 (a) 1 (b) 0 (c) -8/3 (d) -2/3
Ans. (c)
Q17. If x approaches infinity , then (òex dx )/( òe2xdx) is ? (a) 1 (b) 0 (c) -1 (d) 2 Ans. (a)
Q18. If f(x)=1-cos(1-cosx)/x4 is continuos at f(0) then what is x (a) 1 (b) 0 (c) 1/4 (d) -1/4 Ans. (c)
Q19. For the word SURITI, if you arrange the letters in dictionary order then what is its rank? (a) 234 (b) 235 (c) 236 (d) 237 Ans. (c)
Q20. Period of sin ((2t + 3) / 6 pi) (a) 6pi (b) 6pi2 (c) 3pi
Ans. (b)
Q21 - Q23. Four questions given on the below data X,Yand Z are senior engineers. A,B,C,D are junior engineers. Company wants to select 4 enginers. Two will be senior and two will be juniors. The company wants these engineers to work in the most productive way so they respect each person's likes/dislikes.
Y is not friends with A
Z is not friends with C
B is not friends with A
If B is selected then who will be the remaining 4 members ?
If C is selected, Z and ___ cannot be selected?
D is always selected if ___ is selected?
Q24. A speaks truth 70% of the times, B speaks truth 80% of the times. What is the probability that both are contradicting each other is ?
Q25. ò((2x-3)/((x2 +x+1)2 )dx is ?
Q26. Ram starts from A walking 2 km North and turns right and walks 4 km and turns right again and walks 4 km and turns right again and walks 4 km and meets Radha at Bwalking in the opposite direction to Ram . a) Which direction does Ram walk after the first turn? b) Distance between A and B
Q27. If the equation x2 - 3x + a = 0 has the roots (0,1) then value of a is ?
Q28. A and B's temperature are 10°c and 20°c having same surface , then their ratio of rate of emmisions is ?
Q29. An atomic particle exists and has a particlular decay rate . It is in a train . When the train moves, a person observes for whether the decay rate (a) increases (b) decreases (c) depend on the directions of movement of train
Q30. Which of the following exchanges positive ions (a).cl- (b) nh2- (c) ch2
