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I. 5x2 – 18x + 16 = 0 => 5x2 – 10x – 8x + 16 = 0 => 5x(x – 2) – 8(x – 2) = 0 => (x – 2) (5x - 8) = 0 => x = 2, 8/5 II. 3y2 – 35y - 52 = 0 => 3y2 – 39y + 4y - 52 = 0 => 3y (y – 13) + 4(y – 13) = 0 => (y – 13) (3y + 4) = 0 => y = 13, -4/3 Hence, x = y or the relationship cannot be established.
A man travels some distance at a speed of 16 km/hr and returns at a speed of 8 km/hr. If the total time taken by him is 3 hrs 45 min, the distance is
What is the length of the bridge which a man riding 21 km an hour can cross in 3 min.?
The speed of a bike increases by 3 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 25 km, the find the total distance tra...
A bus starts running with the initial speed of 6 kmhr and its speed increases every hour by certain amount. If it takes 14 hours to cover a distance of ...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 25 km/hr and 15 km/hr, respectively. If the distance covered by ‘Aâ...
A man running with the speed of 45 km/hr covers a certain distance in ‘x’ hours. If the same distance can be travelled with a speed of 50 km/h in (x...
Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 22.5 m/s. Train Q starts from Dehradunto Lucknowat 1:35 pm with an average ...
The two places are 60 km apart. A and B start walking towards each other at the same time and meet each other after 6 hours. Had A traveled with 2/3rd o...
A circular track has a radius of 140 meters. A person starts running from a point on the track and runs 3 complete rounds. What is the total distance co...
X started to run from point ‘A’ to ‘B’ at a speed of 28 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 12 km/...