The average age of Seema, Sapna, Asha, Kavita and Atrye is 40 years. The average age of Seema and Sapna is 35 years and the average age of Asha and Kavita is 42 years. The age of Atrye is? (A). 45 (B). 47 (C). 46 (D). 32

In the figure (not to scale) AB = CD, angle DAP = angle DPA and A,B,C,D are concycli. If angle ADC = 80°, then find angle ACD.

Solve : 2^(x+2)+2^(x-1)=9

Volume of a Cylinder

What length of tarpaulin 3m wide will be required to make conical tent of height 8m and base radius 6m ? Assume that the extra length of material that will be required for stitching and wastage in cutting is approximately 20cm ( Use pi= 3.14)

Find the square of: 2a +b