Question 14 - Quant Math - Problem Solving Shyam runs a password cracking machine at his house.
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- Quant Math - Problem Solving**
Shyam runs a password cracking machine at his house. The machine checks 1125 possibilities every hour and runs for 24 hours a day. The charges of the machine running 24 hours is Rs 100. Puneet forgot the password of his crypto-wallet and wanted to crack it so he went to Shyam. Wallet has a 4 digit pin having 2 numbers. Shyam takes Rs 100 everyday till his machine checks all the possibilities from Puneet. He cracked the password in 5 days. Find the approx profit percentage of Shyam.
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Answer: A. A) 61.5 %
Rigorous quantitative and aptitude evaluation.
Step-by-step Derivation:
Step 1: Formulate algebraic equations.
Step 2: Solve step-by-step.
Step 3: Match with correct option.