Mixed Practice | Percentage Aptitude Practice | Kuriloo

Fundamental Principles

Comprehensive Synthesis

Integrating foundational conversions, successive changes, and real-world applications to efficiently solve multi-step problems.

Essential Formulation Tips

Read carefully to identify whether a problem uses a fixed, static base or a changing, successive base before starting your calculations.

Shortcut Execution Techniques

Try using 100 as a placeholder value for unknown starting values to make your calculations easier and more intuitive.

Contextual Inquiries (FAQs)

Q: What is the fastest way to improve speed on math tests?

A:

Example Breakdown: Multi-Step Challenge Problem

High-level review prompt that tests tracking discipline and accuracy.

Problem QueryA man spends 20% of his income on rent, and 70% of the remaining balance on food. If he saves the remaining $3,600, what is his total income?

Step-By-Step Solution Path

Assume total income is 100%. After rent, he has 80% left.

Food expenditure = 70% of 80% = 56% of total income.

Total spent so far = 20% + 56% = 76%.

Remaining savings percentage = 100% - 76% = 24%.

If 24% = $3,600, then Total Income = (3,600 / 24) × 100 = $15,000.

Analytical Hint: Be careful with the phrasing: '70% of the remaining balance' is different from 70% of his total income.

Comprehensive Challenge Mixed Set 1

Advanced problem set designed to build confidence for competitive aptitude exams.

Q1. Due to a 20% reduction in the price of sugar, a man can buy 5 kg more for $100. Find the original price per kg.