Algebra: If a * b = 2 (a + b), then 5 * 2 is equal to

Step-by-step solution. Algebra for UPSC CDS/OTA.

Topic

Algebra

Subject

Mathematics

Difficulty

Medium

Solve Time

45-60 sec

Solved UPSC CDS/OTA Question

A solved UPSC CDS/OTA PYQ - decoded step-by-step.

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Q · AlgebraMedium · 45s

If a * b = 2 (a + b), then 5 * 2 is equal to :

TopicAlgebra

Question Typemultiple choice

DifficultyMedium

Marking+1 / −0.33

Test Duration30 min

Step-by-Step Solution

Every step explained - no skipped algebra.

a * b = 2 (a + b)

5 * 2 = 2 (5 + 2)

= 2 × 7 = 14

Final Answer: Option C - 14

If a * b = 2 (a + b), then 5 * 2 is equal to - Algebra (Mathematics) Solved Question