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Imagine you have two hourglasses—one takes 9 minutes to run out and the other takes 4 minutes. How would you use these hourglasses to measure exactly 7 minutes?

**1. Problem Solving :**This question examines your analytical skills in devising a creative solution to a problem using limited resources.**2. Logical Thinking :**You must apply logical reasoning to figure out how to accurately measure the time with the hourglasses provided.**3. Attention to Detail :**The ability to consider the specifics of the tools at hand and their constraints is crucial to finding the solution.**4. Strategic Planning :**You must strategically plan how to use the hourglasses in conjunction to achieve the desired result.

**1. Assessing Problem-Solving Ability :**The interviewer wants to gauge your ability to solve a non-standard problem that doesn't have an obvious or straightforward solution.**2. Understanding Thought Process :**Your response to this question reveals how you approach a complex scenario and break it down into manageable parts.**3. Evaluating Creativity :**This question tests your creativity in utilizing given tools in unconventional ways to solve a problem.**4. Checking for Analytical Skills :**The interviewer is interested in your capacity to conceive and apply a systematic approach to the challenge presented.

**1. Consider starting both hourglasses at the same time :**This approach will help you utilize the total time each hourglass runs in conjunction with one another.**2. Think about what happens when one hourglass runs out before the other :**Understanding the time remaining in each hourglass at different points can provide a clue to the solution.**3. Contemplate the incremental time measurements you can create :**You can measure increments of time by considering the differences in time it takes each hourglass to run out.

Topics:

Problem Solving

Technical Skills

Roles:

Member Of Technical Staff

Companies:

Oracle

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