Question
There is a road beside a river. Two friends, A and B.
started their journey from place P, moved to the garden located at another place Q and then returned to place P. A moved by swimming at a speed of 15 km/h while B sailed on a boat at a speed of about 18 km/h. If the flow of water current is at the speed of 6 km/h, what will be the average speed (in km/h) of the boat sailor?Solution
Clearly the person moves both ways at a speed of 15 km/hr.  The boat sailor moves downstream = (18 + 6) i.e., 24 km/hr and Upstream = (18-6)i.e., 12 km/hr.  So, average speed of the boat sailor = (2 x 24 x 12)/(24+12)) km/hr (576/36) km/hr = 16 km/hr
If 26th January, 2020 was a Sunday, then what day of the week was it on 16th March of that year?
The distance between the earth and the sun is greater during
What were the peasant associations set up in Kerala in the 1930s called?
The profit earned after selling an article for Rs.1825 is the same as loss incurred after selling the article for Rs.1245. What is the cost price of the...
Which of the following statements is/are correct in regards to the Ahmadiyya Movement?
1.   The Ahmadiyya Movement was founded by Mirza Ghula...
If 40 : 35 :: 35 : x, find the value of x.
The parallel sides of a Trapezium is 20 and 46cm respectively and the non-parallel sides were 10 cm and 24 cm respectively. If the non-parallel sides we...
Consider the following statements about the United Nations Permanent Forum on Indigenous Issues (UNPFII)Â
- It is a high-...
When did the LPG reform Budget was introduced in 1991?
Select the INCORRECT statement.
