Mixture and Alligation Questions for SBI PO 2026, Free Live Quiz and PDF

Mixture and Alligation Questions for SBI PO involve combining two or more ingredients with different prices, concentrations or quantities. Questions may also require replacing part of a mixture repeatedly.

The alligation method helps candidates calculate the required ratio without forming lengthy equations.

Mixture and Alligation Questions for SBI PO : Live Quiz

Attempt the free Mixture and Alligation live quiz for SBI PO 2026 to evaluate your preparation. The quiz includes exam-oriented questions based on the latest SBI PO pattern, helping you strengthen conceptual understanding, improve calculation speed and accuracy, and identify areas that need more practice.

Alligation Rule

When two items with values C1 and C2 are mixed to obtain a mean value M:

Quantity of cheaper : Quantity of dearer

= (C2 − M) : (M − C1)

Common Mistakes

• Reversing the alligation ratio
• Using quantity instead of price or concentration
• Ignoring the amount removed in replacement questions
• Treating repeated replacement as a single operation
• Calculating the weighted average incorrectly

FAQs

What is alligation?

Alligation is a shortcut used to find the ratio in which two ingredients should be mixed to obtain a required mean value.

Can alligation be used for concentration questions?

Yes. It works for price, concentration, marks, speed and other weighted-average situations.

How are repeated replacement questions solved?

Use: Initial quantity × (1 − Quantity removed/Total quantity)ⁿ.