Easy Tutorial
For Competitive Exams

If 5a = 3125, then the value of 5(a - 3) is:

25
125
625
1625
Explanation:

5a = 3125 $\Leftrightarrow$ 5a = 55


$\Rightarrow$ a = 5.


therefore, 5(a - 3) = 5(5 - 3) = 52 = 25.

Additional Questions

Given that 100.48 = x, 100.70 = y and xz = y2 , then the value of z is close to:

Answer

The value of [(10)150 รท (10)146]

Answer

(256)0.16 x (256)0.09 = ?

Answer

If m and n are whole numbers such that mn = 121, the value of (m - 1)n + 1 is:

Answer

$\dfrac{1}{1+a^{n-m}}+\dfrac{1}{1+a^{m-n}}=?$

Answer

(17)3.5 x (17)? = 178

Answer

(0.04)-1.5 = ?

Answer

$\left(\dfrac{a}{b}\right)^{x-1}=\left(\dfrac{b}{a}\right)^{x-3}$, then the value of x is:

Answer

If 3(x - y)= 27 and 3(x + y) = 243, then x is equal to:

Answer

If 5a = 3125, then the value of 5(a - 3) is:

Answer
Share with Friends
Privacy Copyright Contact Us