SSC Government Jobs Exams Numerical Ability Arithmetic

If p=99, then the value of p(p^2+3p+3) is
a)999999 b)10000001 c)9999999 d)1000001

Read Solution (Total 2)

p(p^2+3p+3)
= p^3+3p^2+3p
= p^3+3p^2+3p +1 -1
=(p+1)^3 -1
=(99+1)^3 -1
= 1000000 - 1
= 999999
9 years agoHelpfull: Yes(3) No(0)

ans is a 999999
9 years agoHelpfull: Yes(1) No(1)

SSC Other Question

Average age of A,B and C is 84 years. When D joins them the average age becomes 80 years. A new person,E,whose age is 4 years more than D,replaces A and the average of B,C,D and E becomes 78 years.What is the age of A?
a)80 years b)50 years c)60 years d)70 years Out of 30 teachers of a school,a teacher of age 60 years retired. In his place another teacher of age 30 years was appointed. As a result,the mean age of the teachers will
a)remain same
b)decrease by 2 years
c)decrease by 6 months
d)decrease by 1 year