Maths Maths Puzzle Numerical Ability Trigonometry

The area of a circle inscribed in an equilateral triangle is 346.5 cm^2. Find the perimeter of the triangle. (Use Pi = 22/7 and Sqrt3 = 1.73).

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Towns P&Q are 80 km apart.Cars A&B are stationed at towns P& Q respectively.If they start simultaneously towards each other,they would meet in a hour.if both started simultaneously in the same direction, the faster car would overtake the slower car in 4 hours.find the speed of the faster car? A travel agency has three kinds of vehicles 4 seater, 8 seater and 12 seater (all excluding the driver). In how many ways can 120 passengers be accommodated ensuring that no seat in any vehicle remains vacant? (1) 81 (2) 91 (3) 71 (4) 101 (5) None of these