Question

A car travels 25 kms towards north from garage. It turns left and travels 30 kms, then turns right and travels 15 kms. How far is car from the garage?

A 70 km Correct Answer Incorrect Answer
B 60 km Correct Answer Incorrect Answer
C 50 km Correct Answer Incorrect Answer
D 40 km Correct Answer Incorrect Answer

Solution

= 302 + (25 + 15) 2 = 302 + 402 = 900 + 1600                                          = √2500 = 50km     

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