If 2x2+2y2=4a the find the value of 2ax2-a+2ay2-a
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The average of three numbers is 40. First number is 4/3 of the third number. If third number is 20 less than second number, then what is the value of second number?
The average runs conceded by a bowler in 5 matches is 45 and 15.75 in other 4 matches. What is the average runs conceded by the bowler in 9 matches?
If the ratio of cost price and selling price be 10:11, then the profit percentage is
The equation of a line is given by 4y-6x+9=0. Find the slope of other line which is perpendicular to it.
In ΔDEF measure of angle E is 90°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?
The distance between the points (7,7) and (k,-5) is 13. Find k?
What is the value of 232 ?