Latest TCS Aptitude Question SOLUTION: 111)There two numbers are available. we define an operation $ yielding another number X$Y such that following condition: X$X=0 Also for all X,X$(Y$Z)=X$Y+Z. Find value of 2012$0+20

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111)There two numbers are available. we define an operation $ yielding another number X$Y such that following condition:
X$X=0
Also for all X,X$(Y$Z)=X$Y+Z. Find value of 2012$0+2012$1912
a)2112 b)100 c)5936 d)cannot be determined
112)A drinks three solution.Tea,Coffee or one of the two at random but the machine has been wired up wrongly.so that each button doesnot give what it claims. If each drink costs rs 50,what is minimum amount of money that must be spent to determine with certainity the correct labeling of the buttons?
a)Rs 100 b)Rs 50 c)Rs 150 d)cannot determined
113)A,B,C can do the work in 36 days.A&B together can do twice as much work as C alone,and A&C together can do thrice as much work as B alone.Find the time taken by C to do the whole work?
a)96days b)108days c)120days d)72 days
114)Find the number Such that when its added with 7249 will be perfectly divisible by 12,14,21,33,and 54
a)8136 b)9123 c)8727 d)9383
115)G is two-third as efficient as S and S is three-fourth as efficient as J. In one day, What will be the fraction of the work done by G alone, compared to all of them working together?
a)2/3 b)2/9 c)4/9 d)1/3
116)A man can't remember numbers which are more than 15 till 100.Instead he remembers a set by 5,7,13 of 3 numbers through which he can generate a given number by respeectively.ex:Instead of remembering 17,he remember it as(2,3,4) which are the remainder when 17 is divided by 5,7&13 respectively.He has same amount in his purse which he remembers as(4,4,9)and he pays out some amount which he remembers as(3,0,2). what will be the amount that will be left in his purse?
a)40 b)44 c)46 d)52
117)3 cars A,B,C in race .A is twice aas likely as B to Win and B is Thrice as likely as C to win.What is probability that B will win if only one of them can win the race?
a)1/2 b)2/5 c)3/10 d)1/10
118)From box containing 3 white chips,7blue chips,15 Green chips,2 chips are drawn at random.probability that one is if the chips is blue&the other is white?
a)7/625 b)7/50 c)7/100 d)21/625

119)A sequence x1, x2 and x3 is said to be in a harmonic progression if the reciprocal 1/x1, 1/x2 and 1/x3 are inn arithmetic progression. The 5th term and 7th term for a harmonic progression are 30 and 50 respectively, what is the difference between 6th term and 4th term?
a)16 b)14.5 c)13.5 d)12.5
120)A travel at 40kmph and B travel at 60kmph.They are travelling towards each other and start at the same time. By the time they meet B would have travelled 120km more than A. Find the total distance.
a)600km b)720 km c)400km d)540km
121)A tree of height 36 meters at the edge of a road broke at a certain height. If fell in such a way that its top touched the other edge of the road. If the breath of the road is 12 meters, then what is the height at which the tree broke?
a) 16 b) 24 c) 12 d) 18
122)The sum of three consecutive numbers of the four numbers A,B,C,D are 4613,4961,5010,5099 then what is the largest number among A,B,C,D?
a) 1948 b)1463 c)1601 d)1550

Asked In TCS prabakar (11 years ago)

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