The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result?
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One of four words is a class to which the other three belong. Identify the class.
If x - 2y = 2 and 3x + y = 20, then the value of (x,y) is
If Cot θ = 21/20, then what is the value of Cosec θ?
Δ ABC is right angled at B. If m∠A = 60°, then what is the value of 2 Sec C x 1/2 Sin A?
199994 x 200006 = ?
Find the value of 27a3 + 1a3, if 9a2 + 1a2 = 43
The length of the base of an isosceles triangle is 2x2y+4z, and its perimeter is 4x2y+6z. Then the length of each of the equal sides is