Question
What was the rank of India in the medal tally at the
14th International Olympiad on Astronomy and Astrophysics (IOAA) 2021, organized by Colombia in November 2021?Solution
Astrophysics (IOAA) 2021, organized by Colombia, and held in online mode from 14 to 21 November 2021. India was placed in the top position, jointly with Thailand and Russia in the country-wise medals tally. Four of the five Indian students participating in the competition won the gold medal and the fifth the silver.
A man can swim downstream in 12 minutes covering a distance of 600 meters. He takes 15 minutes to cover the same distance upstream. Find the speed of th...
A boat covers 132 km downstream in 3 hours and 96 km upstream in 4 hours. The boat takes 8 hours to travel 'D' km upst...
A person rows 300 km against the current in 5 hours and travels 540 km along the current in 6 hours. How much time will he take to row 660 km in still w...
A boat can cover 140 km in downstream in 14 hours and 96 km in upstream in 12 hours. Find the distance travelled by the boat in still water in 5 hours.
A man’s speed with the current is 23 km/hr and the speed of the current is 6 km/hr . The man’s speed against the current is:
The speed of the stream is 14 km/h. Boat ‘A’ covers 130 km distance against the stream in 5 hours and boat ‘B’ covers 100 km distance against th...
A boat travels 48 km downstream in 3 hours and 36 km upstream in 3 hours. What is the speed of the stream (in km/h)?
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 25 minutes to cover 25 km in downstream, then find th...
A boat, whose speed in still water is 25% more than the speed of the current, covers 315 km downstream in _____ hours. The speed of the boat in still w...
A boy can swim in water with a speed of 13 km/hr in still water. If the speed of the stream is 5 km/hr, what will be the time taken by the boy to cover ...
