Question 4

What is the value of the expression $$a^{3}-5+\frac{128}{16a}$$, when $$a=2$$ ?

Solution

Given, $$a = 2$$

$$\therefore\ a^3-5+\frac{\ 128}{16a}=\left(2\right)^3-5+\frac{\ 128}{16\left(2\right)}=8-5+4=7$$

View More Questions From Average, Ratio, and Proportions

Create a FREE account and get:

Free SSC Study Material - 18000 Questions
230+ SSC previous papers with solutions PDF
100+ SSC Online Tests for Free

maruti sir image

Free SSC Quant Questions

SSC Data Interpretation

SSC Linear Equations

SSC Number Systems

SSC Quadratic Equations

SSC Trigonometry