Let the even number be x, x + 2, x + 4 and x + 6 Now, x + x + 2 + x + 4 + x + 6 = 108 4 x + 12 = 108 4 x = 96 x = 24 Now, Numbers are 24, 26, 28 and 30 Required sum = 24² + 26² + 28² + 30² = 576 + 676 + 784 + 900 = 2936
Walking 3/4 of his normal speed, Ravi was 21 minutes late in reaching his office. The usual time took to cover the distance between his home and office ...
A person crosses a 2400 m long street in 12 min. What is his speed (in km/h)?
A car takes 15 hours less to travel from point 'G' to point 'H' at a speed of 45 km/h than it takes to travel at 15 km/h. If 60% of the distance is cove...
A boy goes to school at 8 km/Hr and return at a speed of 7 km/hr. If he takes 15 hrs in all. Find the distance from his village to school?
Buses A and B are moving around a circular ground of radius 420 m. If the speeds of the buses A and B are 12 m/sec and 15 m/sec respectively, then what ...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 22 km/hr and 33 km/hr, respectively. If the distance covered by ‘Aâ...
A person walks at a speed of 'y' km/hr. After 1 hour, they increase their speed to (y + 10) and walk for another 4 hours. If the ratio of the distance c...
A Policeman spotted a thief 30 meters ahead of him. The moment they both saw each other they started running in the same direction on the same track. Th...
Abhinav improved his average travel speed by 8 km/h after journeying for 5 hours, completing his trip in a total of 8 hours. If instead he had boosted h...
Train A whose length is 180m is crosses a man standing in the bridge in 4.5 seconds. Train B whose length is165 m, is running at a speed of 63 km/hr and...
