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Sol. S= 52 cards There are 13 cards of heart (including one queen) and there are 3 more queens. Let E= event of getting queen or a heart. Then, n (E) = 13 + 3= 16 P (E) = [if gte msEquation 12]>
The ratio of the breadth to the length of a rectangular field is 2:3. The total cost of cutting the grass of the field at the rate of Rs 6 per m2
If the two adjacent sides of a rectangle are x cm and x – 10 cm and its perimeter is 76 cm then find its area?
The circumference of a circle is given as 220 m. What is the area of the circle? [Use π = 22/7]