units digit in expansion os 2 raised to 51 is:
2 4 6 8
- 11 Answers
- 50991 Views
- Cap Gemini, KPIT, Lokesh, I also Faced
- E-Mail Answers
Answer Posted / debadatta patra
2^1=2
2^2=4
2^3=8
2^4=16
this sequence repeat again and again so we know that after
every four times again unit digit repeat as 2,4,8,16 so
correct answer is 2 here
| Is This Answer Correct ? | 8 Yes | 28 No |
Post New Answer View All Answers
Two chords of lengths L1 and L2 are drawn in a circle. Their lengths are inversely proportional to the straight distance joining the centre.Find the radius of circle.
A vegetable seller sells his vegetables at the rate of Rs. 9 kg and thereby incurs a loss of 20%. If he had to make a profit of 5%, at what price per Kg should he sell his vegetables?
1) 1)difference between ip and non ip protocol.
In a class there are 45 pupil, out of them 12 are in debate only and 22 in singing only. Then how many in both?
There are three trucks A, B, C. A loads 10 kg/min. B loads 13 1/3 kg/min. C unloads 5 kg/min. If three simultaneously works then what is the time taken to load 2.4 tones?
Total balls z,red balls N remaining are blak balls,then %of black balls equal to
A moves 3 kms east from his starting point . He then travels 5 kms north. From that point he moves 8 kms east.How far is A from his starting point?
sadrine's avg on four tests is 80 which of the following cannot be the number of tests on which she earned exactly 80 points
Sky Heaven is a 16 stored building with 12000 sq. feet on each floor. Zintac International rents 7 floors and Zobia International rents 4 floors. What is the number of sq. feet of unrented floor space?
f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, Value of f(5)
If the operation,^ is defined by the equation x ^ y = 2x + y,what is the value of a in 2 ^ a = a ^ 3
Hello!!I have appllied for the post of Jr.Executive(ATC).My educational qualification is B.Tech(IT).I ould like to know if the questions in technical section will be based on IT alone or else also from other subjects also like electrical/electronics/civil/tele communication.I will be grateful for a relevant answer.thank you in advance
If the area of a square has increased by 69%,by what % has its side increased?
The population of a city increases @ 4% p.a. There is an additional annual increase of 4% of the population due to the influx of job seekers, find the % increase in population after 2 years ?
Technical questions
