Aptitude Test Questions 5

11. A man, a woman, and a child can do a piece of work in 6 days. Man only can do it in 24 days. Woman can do it in 16 days and in how many days child can do the same work?                   Ans: 16

12. In which of the system, decimal number 184 is equal to 1234? Ans: 5

13. Find the value of the 678 to the base-7.               Ans: 1656

14. Number of faces, vertices and edges of a cube    Ans: 6 8 12

15. Complete the series 2, 7, 24, 77,__                      Ans: 238

16. Find the value of @@+25-++@16, where @ denotes "square" and + denotes "square root".   Ans: 621

17. Find the result of the following expression if, M denotes modulus operation, R denotes round-off, T denotes truncation: M(373,5)+R(3.4)+T(7.7)+R(5.8) Ans:19

18. If TAFJHH is coded as RBEKGI then RBDJK can be coded as? Ans: qcckj

19. G(0)= -1, G(1)=1, G(N)=G(N-1) - G(N-2), G(5)= ?         Ans: - 2

20. What is the max possible 3 digit prime number?             Ans: 997

21. A power unit is there by the bank of the river of 750 meters width. A cable is made from power unit to power plant opposite to that of the river and 1500mts away from the power unit.The cost of the cable below water is Rs.15/- per meter and cost of cable on the bank is Rs.12/-per meter. Find the total of laying the cable.     Ans : 1000 (24725-cost)

22. The size of a program is N. And the memory occupied by the program is given by M = square root of 100N. If the size of the program is increased by 1% then how much memory now occupied?                                                         Ans:0.5%(SQRT 101N)

23. In Madras, temperature at noon varies according to -t^2/2 + 8t + 3, where t is elapsed time. Find how much temperature more or less in 4pm to 9pm. Ans:At 9pm 7.5 more

24. The size of the bucket is N kb. The bucket fills at the rate of 0.1 kb per millisecond. A programmer sends a program to receiver. There it waits for 10 milliseconds. And response will be back to programmer in 20 milliseconds. How much time the program takes to get a response back to the programmer, after it is sent?     Ans: 30

25. A man, a woman, and a child can do a piece of work in 6 days. Man only can do it in 24 days. Woman can do it in 16 days and in how many days child can do the same work?       Ans: 16

26. If the vertex (5,7) is placed in the memory. First vertex (1,1) `s address is 1245 and then address of (5,7) is ----------                   Ans: 1279

27. Which of the following are orthogonal pairs?

            a. 3i+2j b. i+j c. 2i-3j d. -7i+j                  Ans: a, c

28. If VXUPLVH is written as SURMISE, what is SHDVD?    Ans: PEASE

29. If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 10%.What will be the fuel economy if they were used combined.          Ans: 20%

30. What is the power of 2?   a. 2068   b.2048  c.2668