Question
A maximum size cone is cut from a wooden cube of length
14 cm. find the volume of cone?Solution
Height of the cone = 14 cm Radius of cone = 14/2 = 7 cm Area of cone = 1/3 πr²h = 1/3 × 22/7 × 7 × 7 × 14 = 718.66 cm³
A taxi traveled from point P to point Q without stopping. It covered the first 64 km of the journey at a speed of 32 km per hour....
The speed of ‘A’ and ‘B’ is 65 km/hr and 40 km/hr, respectively. If the distance covered by ‘A’ in ‘x&r...
The speed of a bike increases by 4 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 20 km, the find the total distance tra...
A bike covers 60 km with a speed of 20 km/hr. Find the speed of the bike for the next 50 km journey so that the average speed of the whole journey will ...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 8 km/hr and 10 km/hr, respectively. If the dis...
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...
A boy travels from his home to school by bicycle. Riding at a speed of 8 km/h, he arrives 18 minutes late. However, if he rides at a speed of 2.5 m/s, h...
One day, 'A' arrived at the bus stop 10 minutes late. The next day, he increased the speed of his bicycle by 5 km/h, which helped him reach the bus stop...
The speed of two cars A and B are in the ratio of 15:17 respectively. Car A travels 10 km less than the car B in the same time duration. What was the di...
The radius of a circular garden is 42 m. The distance (in m) covered by running 8 rounds around it, is: (Take )
