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3x+2y=12 and xy=6 then the value of 9x²+4y² is ?
Mani Ram divides ₹17200 amongst his 5 sons, 4 daughters and 2 friends. If each daughter receives four times as much as each friend receives and each son receives five times as much as each friend receives, how much does each daughter receive?
The total cost of 12 pens and 5 penciles is equal to ₹111. Also, the cost of 1 pencile is ₹5 less than the cost of 1 pen . What will be cost of 8 pen and 9 penciles?
Find the value of a³ +b³+c³-3abc when a=225, b=226 , c=227
If √2 =1.4142 then the value of 7÷(4+√2)
Power 5/4 on 16