Find the value of the given expression correct upto 2 decimal places.

0.05×0.05×0.05+0.04×0.04×0.040.05×0.050.05×0.04+0.04×0.04

  1. 0.19
  2. 0.09
  3. 0.90
  4. 0.85

Answer (Detailed Solution Below)

Option 2 : 0.09

Detailed Solution

Download Solution PDF

Given:

0.05×0.05×0.05+0.04×0.04×0.040.05×0.050.05×0.04+0.04×0.04

Formula Used:

a3 + b3 = (a + b)(a2 - ab + b2)

Calculation:

0.05×0.05×0.05+0.04×0.04×0.040.05×0.050.05×0.04+0.04×0.04

⇒ (0.05)3+(0.04)3(0.05)20.05×0.04+(0.04)2

⇒ (0.05+0.04)((0.05)20.05×0.04+(0.04)2)(0.05)20.05×0.04+(0.04)2

⇒ (0.05 + 0.04)

⇒ 0.09

Option 2 is the correct answer.

Get Free Access Now
Hot Links: teen patti gold real cash teen patti master new version teen patti dhani teen patti noble