Question
Two boats A and B start towards each other from two
places, 660 km apart. Speed of the boat A and B in still water are 30 km/h and 25 km/h respectively. If A and B proceeds against and with the stream, respectively then after how much time will they meet?Solution
Let the speed of stream be ‘x’ km/h and they meet after‘t’ hours According to question, Distance covered while going upstream + Distance covered while going downstream = Total distance covered. (30 - x)t + (25 + x)t = 660 30t + 25t = 660 55t = 660 t = 12 hours
The national song ‘Vande Mataram’ was composed by Bankim Chandra Chatterjee i n which language?
Which of the following seas has highest salinity in the world?
The missing term of the series isÂ
A2, C5, E8, G11, ____________
Which amongst the following statements is/are not correct ?
1.     Isthmus is a narrow strip of land joining two landmasses.
2. �...
If * is an operation such that a * b = 3a – 4b. find the value of 3*4
Penicillium is a _____________.
The six freedoms in Article 19 can be curtailed by:
New education policy. 2020 is goal to achieve 100% gross enrolment Ratio (GER) in school Education by the year ________.
If the square root of the product of two numbers equals their average, then
