🧮 SSC Math Mini Test

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1. If x + 1/x = 3, find x² + 1/x² 5
7
6
8

2. A train at 72 km/h crosses a pole in 25 sec. Find its length. 500
480
600
540

3. Simplify: (a³ + b³ + c³ – 3abc)/(a + b + c) abc
a² + b² + c² – ab – bc – ca
a² + b² + c²
None

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Result for

Score: / 3

Correct Answers:

• Q1: 7
• Q2: 500
• Q3: a² + b² + c² – ab – bc – ca