Aptitude Overflow Book

December 13, 2015 by Arjun Suresh 1 Comment

Updated April 2016

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Trying to explain it in the simplest way possible, The thing we have to keep in mind here is that th [...]

a. F= 60% 1-F=40% s=2 According to amdhal law Speedup=1/((1-F)+(F/s))=1/((0.40)+(0.60/2))=1/0.70=1.4 [...]

C:20 Speedup according to Amdahl's law is found as : Speedup = 1 / [ 1 - f1 - f2 + .. +( [...]

In L1 any string “w” must satisfy the condition: {Number of occurrences of (110)} ≥ {Number of occur [...]

All states are final states except “q” which is trap state(question needs correction,q is not final [...]

According to the principle of mutual inclusion-exclusion: The number of strings either start with a [...]

when a number is divided by 13 ,the remainder is 11.when the same number is divided by 17,the remain [...]

sum of how many term of series 6+12+18+24+… is 1800? [...]

At first 1/A + 1/B = 1/24 But A left after 20 days, so 20/A + 30/B = 1 Solving these two equations [...]

Here A, B and C are the no. of days taken by them to complete the given job respectively. Hence, the [...]

$(2(10a+b)^2/(10a+b) + 18) / 2 = 10b+a \Rightarrow 10a+b+9 = 10b +a \Rightarrow 9a-9b+9 = 0 \Rightar [...]

Clearly, for Z to be grandfather of S, P and R needs to be married which contradicts option (B) give [...]

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