TCS Company Numerical Ability Time Distance and Speed

Alok and Bhanu play the following min-max game. Given the expression
N = X - Y - Z

Where X, Y and Z are variables representing single digits (0 to 9), Alok would like to maximize N while Bhanu
would like to minimize it. Towards this end, Alok chooses a single digit number and Bhanu substitutes this for a variable of her choice (X, Y or Z). Alok then chooses the next value and Bhanu, the variable to substitute the value. Finally Alok proposes the value for the remaining variable. Assuming both play to their optimal strategies, the value of N at the end of the game would be....

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14 years agoHelpfull: Yes(1) No(6)

TCS Other Question

The fundamental theorem of arithmetic states that every natural number greater than 1 can be written as a unique product of prime numbers.now what is the smallest number by which 3380 must be divided in order to make it into a perfect square
option
a) 5
b) 4
c) 8
d) 6 A horse starts to chase a dog that has left the stable two hours earlier. The horse runs at an average speed of 2km/hr. It crosses a 10-metre road, two small ponds 3 metres deep, and finally runs along two small streets of 200 metres long. After traveling 6 hrs, 2hrs after sunset, it catches the dog. Compute the speed of the dog in Km/hr?
option
(a) 20
(b) 22
(c) 16.5
(d) 18.5