Data Structures Algorithms-II MCQs

Page No. 84

Which of the following option is wrong?


aFibonacci number can be calculated by using Dynamic programming


bFibonacci number can be calculated by using Recursion method


cFibonacci number can be calculated by using Iteration method


d No method is defined to calculate Fibonacci number



Which of the following is not a fibonnaci number?


a8


b21


c55


d14


View Answer 14

Suppose the first fibonnaci number is 0 and the second is 1. What is the sixth fibonnaci number?


a 5


b6


c 7


d8


View Answer 5

Which of the following methods used to find the sum of first n natural numbers has the least time complexity?


aRecursion


bIteration


cBinomial coefficient


d All have equal time complexity


View Answer Binomial coefficient

Which of the following gives the sum of the first n natural numbers?


anC2


b(n-1)C2


c (n+1)C2


d(n+2)C2


View Answer (n+1)C2

Which of the following option is wrong about natural numbers?


a Sum of first n natural numbers can be calculated by using Iteration method


bSum of first n natural numbers can be calculated by using Recursion method


c Sum of first n natural numbers can be calculated by using Binomial coefficient method


dNo method is prescribed to calculate sum of first n natural number



What is the computational complexity of Binary GCD algorithm where a and b are integers?


aO (log a + log b)2)


b O (log (a + b))


cO (log ab)


dO (log a-b)


View Answer O (log a + log b)2)

Who gave the expression for the probability and expected value of gcd?


a James E. Nymann


bRiemann


cThomae


dEuler


View Answer James E. Nymann

Which is the correct term of the given relation, gcd (a, b) * lcm (a, b) =?


a|a*b|


ba + b


ca – b


da / b


View Answer |a*b|

Is gcd an associative function.


aTrue


b False


cA & B


dNone of these


View Answer True

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