When three cubes each of side 8 cm are joined to form a cuboid. Then, length of cuboid = 8 × 3 = 24 cm Breadth of cuboid = 8 cm And, height of cuboid = 8 cm Surface area of the cuboid = 2 × (lb + bh + lh) = 2× (24 × 8 + 8 × 8 + 24 × 8) = 896 cm ²
The distance covered by a train in (4y-1) hours are (64y3-1) km. The speed of the train is.
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 ...
Time taken by a boat to travel certain distance in upstream direction is twice the time taken by the boat to cover same distance in downstream direction...
Two cars X and Y start from two places A and B respectively which are 700 km apart at 9 a.m. Both the cars run at an average speed of 60 km/hr towards e...
What is the time taken by a 540 m long train running at 72 km/h to cross a man standing on a platform?
A car starts from point A and travels at a speed of 60 km/h for the first 2 hours, then increases its speed to 80 km/h for the next 3 hours. After that,...
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/...
A traveler moves a distance in three intervals. In the first 'u - 15' km, he travels at 20 km/h, in the next 'u' km at 40 km/h, and completes the journe...
Rajesh drove at the speed 100 km/hr from his home to a resort. While returning he got struck in traffic and took 6 more hrs; he could drive only at the ...
Saket and Rakesh are brothers whose shops are located at a distance of 10km and 12km respectively from their home. Both of them start at the same time f...