Diagonals of a Trapezium ABCD with AB || CD intersect each other at the point O. If AB = 2CD, then the ratio of the areas of ΔAOB and ΔCOD is
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If x+3y=-3x+y, then x22y2 is equal to
If x+5+1x+1=6 then the value of (x+1)3+1(x+1)3 is
The average of three numbers is 6. The average of the first two is 5 while the average of the last two is 8. The three numbers are:
What is the reflection of the point (-2, 5) in the line x = -1?
Find 2 consecutive natural numbers, sum of whose squares is 25.
Ram is thrice as fast as Mohan and Nohan is twice as fast as Sohan. The distance covered by Sohan in 42 minutes will be covered by Mohan in
Two mixtures have milk and water in the ratio 1 : 4 and 3 : 2 respectively. In what ratio two types of mixtures have to be mixed to get a new mixture having ratio of milk and water as 1 : 1?