1) sum of first 13 natural numbers  a) 182 b) 91 c) 78 d) 102 2) probability of drawing an ace from well shuffled deck of 52 cards a) 1/4 b) 2/13 c) 1/13 d) 3/26 3) Ratio of radius and diameter of a circle is a) 1:2 b) 2:1 c) 1:1 d) 1:3 4) Area of an equilateral triangle is a) √3 side b) √3 (side)² c) (√3/4 ) side ² d) (√2/3) side² 5) find the distance of (3,4) from the origin a) 3 b) 5 c) 4 d) √7

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