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Number of Chocolate cookies baked on Monday and Tuesday = 250 – (25 + 100) = 125 On Tuesday Chocolate cookies baked were 50% more than as compare to that Monday. Ratio of Chocolate cookies baked on Monday to Tuesday = 2:3 So, 5 ------ 125 => 2 ------ 50 => 3 ------- 75 Number of Chocolate cookies baked on Monday = 50 Number of Chocolate cookies baked on Tuesday = 75 Butter cookies baked in these four days were y% less than that on each day and total Butter cookies baked were 50. => 250 – 50 = 200 => y% = (200/250) × 100 = 80% On Monday Chocolate Cookies baked were x% more than as compare to Sunday. => x% = [(50 – 25)/25] × 100 = 100% Number of Butter cookies baked on Sunday = 20% of 25 = 5 Number of Butter cookies baked on Monday = 20% of 50 = 10 Number of Butter cookies baked on Tuesday = 20% of 75 = 15 Number of Butter cookies baked on Monday = 20% of 100 = 20 Required ratio = 100:80 = 5:4
Sum of diameter and circumference of a circle is 232 cm, the find area of circle.
Two chords AB and CD of a circle intersect at E such that AE = 3.4 cm, BE = 4.2 cm and CE = 2.6 cm. What is the approximate length of DE?
Find the area of the sector of a circle with radius 14 cm and central angle 90°.
In a circle, two chords AB & CD are produced at P which is outside the circle . If PA= 18 cm, AB= 12 cm , PC = 6 cm then find CD.