1. a=2, b=3, c=6 Find the value of c/(a+b)-(a+b)/c Ans. 11/30
2. What does the hexa number E78 in radix 7. (a) 12455 (b) 14153 (c) 14256 (d) 13541 (e) 131112
3. In a murder case there are four suspects P,Q,R,S. Each of them makes a statement. They are p: "I had gone to the theatre with S at the time of the murder".q: "I was playing cards with P at the time of the murder".r: "Q didn't commit the murder".s: "R is not the murderer".Assuming the only one of the above statement is false and that one of them is the murderer, who is the murderer? a) P b) Q c) R d) Cann't be concluded e) S
4. Q is not equal to zero and k = (Q x n - s)/2.What is n? (a) (2 x k + s)/Q (b) (2 x s x k)/Q (c) (2 x k - s)/Q (d) (2 x k + s x Q)/Q (e) (k + s)/Q 5 Mohan earned twice as much as Deep. Yogesh earned rs.3/- more than half as much as deep. If the amounts earned by Mohan,Deep,Yogesh are M,D,Y respectively, Which of the following is the correct ordering of these amounts? a) M < D < Y b) M< Y < D c) D< M < Y d) It cann't be determined from the information given e) D< Y < M
Questions 6 - 10 are to be answered on the following data A causes B or C, but not both F occurs only if B occurs D occurs if B or C occurs E occurs only if C occurs J occurs only if E or F occurs D causes G,H or both H occurs if E occurs G occurs if F occurs 6. If A occurs which of the following must occurs I. F and G II. E and H III. D (a) I only (b) II only (c) III only (d) I,II, & III (e) I & II (or) II & III but not both
7. If B occurs which must occur (a) D (b) D and G (c) G and H (d) F and G (e) J
8. If J occurs which must have occurred (a) E (b) either B or C (c) both E & F (d) B (e) both B & C
9. Which may occurs as a result of cause not mentioned I. D II. A III. F (a) I only (b) II only (c) I & II (d) II & III (e) I,II & III 10. E occurs which one cannot occurs (a) A (b) F (c) D (d) C (e) J
11. Given that A,B,C,D,E each represent one of the digits between 1 and 9 and that the following multiplication holds: A B C D E X 4 -------------- E D C B A -------------- what digit does E represent ? a) 4 b) 6 c) 8 d) 7
12. HCL prototyping machine can make 10 copies every 4 seconds. At this rate, How many copies can the machine make in 6 min.? a) 900 b) 600 c) 360 d) 240 e) 150
13. 10^2(10^8+10^8) =-------------- 10^4 a) 2(10)^4 b) 2(10)^6 c) 10^8 d) 2(10)^8 e) 10^10 14. Worker W produces n units in 5 hours. Workers V and W, workers independently but at the same time, produce n units in 2 hours.how long would it take V alone to produce n units? a) 1 hr 26 min b) 1 hr 53 min c) 2 hr 30 min d) 3 hr 30 min e) 3 hr 20 min