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The figure may be labelled as shown. The squares composed of two components each are ABKJ, BCLK, CDEL, LEFG, KLGH and JKHI i.e.6 in number. There is only one square i.e. CEGK composed of four components. The squares composed of eight components each are ACGI and BDFH i.e. 2 in number. There are 6 + 1 + 2 = 9 squares in the figure.
A man can row at 36 km/hr in still water. In a stream which is flowing at 12 km/hr, it takes him 3 hrs to a place and back. How far is the place?
The downstream speed of a boat is 8 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream ...
A boat can travel 36 km downstream in 45 min. The ratio of the speed of the boat in still water to the speed of the stream is 5: 1. How much time will t...
The circumference of the two circles is 110 cm and 330 cm respectively. What is the difference between their radii?
The speed of a boat in still water is 15 km/hr. If the boat covers 120 km in upstream in 12 hours, then find the time taken by the boat to travel 120 km...
Speed of a boat in still water is 6 times more than the speed of stream. If boat covers 144 km in downstream in 9 hours, then find the time taken by the...
The speed ratio of a stream to the upstream speed of a boat is 1:9. A boat takes 2 hours and 30 minutes to travel 82.5 km downstream. Determine the time...
Speed of current is equal to 25% of speed of boat in still water. If the boat takes 5 hours to cover 120 km in still water, then find the time taken by ...
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 20 minutes to cover 15 km in downstream, then find th...
A boat travels from point 'T' to point 'S' downstream and returns upstream in a total of 32 hours. The speed of the boat in upstream is three times the ...