The ratio of the present ages of Sushma and Karishma is 6 : 7 respectively. The ratio of their ages 8 years hence would be 8 : 9 respectively. What would be the respective ratio of their ages after 12 years?
The solution of the equation xy = 0.9 and 11/2 (x+y)=1 is
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The ratio of two unequal sides of a rectangle is 1:2. If its perimeter is 24cm, then length of diagonal is
A boat takes 6 hours to travel from place M to N downstream and back from N to M upstream. If the speed of the boat in still water is 4 km/hr., what is the distance between the two places?
1 docs48 tests

1 docs48 tests
