Question
Download Solution PDFSimplify the expression (0.3 - 0.2) (0.32 + 0.3 × 0.2 + 0.22).
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Simplify the expression (0.3 - 0.2) (0.32 + 0.3 × 0.2 + 0.22).
Formula Used:
Use basic arithmetic operations and algebraic identities:
(a - b)(a2 + ab + b2) = a3 - b3
Calculation:
Given expression: (0.3 - 0.2) (0.32 + 0.3 × 0.2 + 0.22)
First, simplify the inner expression:
0.32 + 0.3 × 0.2 + 0.22
0.09 + 0.06 + 0.04
0.19
Now, simplify the outer expression:
(0.3 - 0.2) × 0.19
0.1 × 0.19
⇒ 0.019
The correct answer is option 3.
Last updated on Jun 3, 2025
-> The Staff Selection Commission has officially released the SSC Selection Post Phase 13 Notification 2025 on its official website at ssc.gov.in.
-> A total number of 2423 Vacancies have been announced for various selection posts under Government of India.
-> The Computer Based Exam is scheduled from 24th July to 4th August, 2025. Candidates will be able to apply online from 2nd June 2025 to 23rd June 2025.
-> The SSC Selection Post Phase 13 exam is conducted for recruitment to posts of Matriculation, Higher Secondary, and Graduate Levels.
-> The selection process includes a CBT and Document Verification.
-> Some of the posts offered through this exam include Laboratory Assistant, Deputy Ranger, Upper Division Clerk (UDC), and more.
-> Enhance your exam preparation with the SSC Selection Post Previous Year Papers & SSC Selection Post Mock Tests for practice & revision.