Latest self Aptitude Question SOLUTION: a motor boat whose speed is 15km/hr in still water goes 30km downstream nd comes back in a total of 4hrs 30mins.the speed of d stream(in km/hr) is (a)4 (b)5 (c)6 (d)10

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NAVEEN KUMAR
NAVEEN KUMAR
India
Bihar
Time: 00:00:31
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Maths Quotes

The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?

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