Step 1: Understanding the Concept:
An investment is an asset or item acquired with the goal of generating income or appreciation in value over time. The question asks to identify which of the given options offer investment opportunities.
Step 2: Detailed Explanation:
(A) Bank: Banks offer various investment products like Fixed Deposits (FDs), Recurring Deposits (RDs), and savings accounts that provide interest income.
(B) Post Office: Post offices in India offer several government-backed investment schemes like the National Savings Certificate (NSC), Kisan Vikas Patra (KVP), and Public Provident Fund (PPF), which are popular for their safety and returns.
(C) Life Insurance: Many life insurance policies are not just for risk coverage but also serve as investment tools. Endowment plans and Unit Linked Insurance Plans (ULIPs) combine insurance with investment components to generate returns.
Since all three entities provide avenues for investment, the correct answer is (D).
Step 3: Final Answer:
Banks, Post Offices, and Life Insurance companies all offer various financial products that serve as means of investment.