TCS Company Numerical Ability Algebra

In the polynomial f(x) =2*x^4 - 49*x^2 +54, what is the product of the roots, and what is the sum of the roots (Note that x^n denotes the x raised to the power n, or x multiplied by itself n times)?
a) 27,0
b) 54,2
c) 49/2, 54
d) 49, 27

Read Solution (Total 6)

TCS Other Question
Of 6000 apples harvested every third apple was too small,evey 4rth apple was too green and every tenth apple was bruised.the remaining apples were perfect.how many perfect apples were harvested. A)2100 b)2800 c)1900 d)2600 How many words of 11letters could be Formed with all the vowels present only in the even places ,and the consonants only in the odd places,using letters of english alphabet each letter may appear only once.the vowels are A E I O U and consonants are remaining letters of the alphabet .in the answers n! denotes n factorial a)21! B)26!/5! C) 21! /(5! * 5! ) d)21!* 5!/5!