Question
If the diameter of a solid hemisphere is 12.6cm, then
its volume is taken π =22/7Solution
Ram makes four trips of equal distances. His speed on first trip was 120 km/hr and in each subsequent trip his speed was half of the previous trip. What...
Two trains X and Y start at the same time in the opposite direction from two points P and Q and arrive at their destinations 25 and 16 hours respectivel...
- A person travels from city ‘X’ to city ‘Y’ covering (1/4)th of the total distance in 2 hours and the remaining in 6 hours. If he returns to city �...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 23 km/hr and 24 km/hr, respectively. If the di...
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...
'A' and 'B' are running on a circular track of length 4500 metres. 'A' is running clockwise at 5 m/s while 'B' is running anti-clockwise at 7 m/s. Find ...
Rahul travels a certain distance with a constant speed of 18 km/h and reaches 3 hours late. If he had travelled at a constant spe...
Aman takes 36 minutes more than Sudhanshu to cover 130 km. If Aman doubles his speed, he takes 42 minutes less than Sudhanshu to cover the same distance...
- A total journey of 250 km is completed by Ravi partly by boat at 25 km/h and the remaining by train at 50 km/h. If the whole trip took 6.5 hours, find the ...
The combined cost price and marked price of Watch 'A' amounts to Rs. 11,000, while for Watch 'B', the total is Rs. 13,400. Watch 'A' is marked 20% above...
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