Question
Speed of a car and a bus is 24 km/h and 14 km/h,
respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time taken by the bus to cover a distance of ‘5x’ km, then find the value of ‘8x’Solution
According to the question, (5x/14) – (8x/24) = 1 Or, (5x × 12 – 8x × 7) ÷ 168 = 1 Or, (60x – 56x) ÷ 168 = 1 So, x = 42 Required value = 8 × 42 = 336
Find the LCM of x2Â - 3x + 2 and x2Â - 5x + 6
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