Question
Aman takes 36 minutes more than Sudhanshu to cover a
distance of 130 km. If Aman doubles his speed, he takes 42 minutes less than Sudhanshu to cover the same distance. To cover the distance of 195 km, how much time (in hours) will Sudhanshu take with his same speed?Solution
Solution-
For A-
Speed 1 2
Time 2 1
Difference time =36+42=78min
ATQ- 1=78
2=78×2=156min.
Sudhansu takes time =156-36=120min = 2 hours.
Speed =130/2=65km/h
Sudhanshu take time =195/65=3hours.
Which Indian author penned ‘Godaan’ (‘The Gift of Cow’)?
Match List – I with List – II and select the correct answer using the codes given below the lists:
Direct change of gas to solid without changing in to liquid is called _________.
Two lenses of powers +2.0 D and –2.5 D are combined to make an optical instrument. The combination will
Which freedom fighter is popularly known as Lok Nayak?
What is the current Cash Reserve Ratio (CRR) fixed by the Reserve Bank of India (RBI)?
In which state/UT is the Hemis festival celebrated?
Which of the following states is least likely to be among the top five contributors (installed renewable capacity) toward India’s renewable targets (i...
Who among the following elect(s) the presiding officer of the Vidhan Sabha in India?
Which chemical element of Group 18 of the periodic table is produced by the natural radioactive decay of uranium in soils and rocks?