The investment made by x and y are in the ratio 3:2. If 5% of the total profit is donated and x gets Rs 8550 as his share of profit then what is the amount of total profit: a) Rs 14000 b) 15000 c) Rs 11050 d) None of these Sol: A : B = 3 : 2 5% of profit is donated Share of A = 8550 ...
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There are two concentric circles of different radius. A chord of bigger circle is tangent to smaller circle if the length of tangent is 14 units, find the area enclosed between two circles? a) 49 sq. units ...
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In the given figure. BE = FC and AB = EF also AB AD & EF BC, if AD = 3 units, and EF = 4 units. Find the area of ∆EFC (in sq. units) a) 15 b) 41/4 c) 40/3 d) 16 Sol:
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If a³-b³= 208 and (a+b)²-ab= 4 then find the value of a²? a) (52-b)² b) (52+b)² c) (52-b) d) (52+b) Sol:
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The centers of three circles of 1unit radius each lies on a straight line, AB, A is a point on the circumference of first circle. Second circle touches the first and third circle, From point A, a tangent AE is drawn to third circle, touching third circle at E this tangent cuts second circle at C ...
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In a right-angled triangle ABC, right angled at B, point D and E are on AB and BC such that DE||AC. If AD = 3 cm and EC = 4 cm. and area of quadrilateral ADEC is 42cm sq. find the area of ∆DBE. (in sq. cm) a) 54 b) 36 c) 72 d) 64 Sol:
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8 men and 6 women can complete a work in 9 days while 6 men and 8 women can complete the same work in 12 days. In how many days 4 men and 7 women can complete the same work? a) 16 days b) 18 days c) 24 days d) 22 days Sol:
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A faulty weighing machine reads 1 kg when 900 gm is weighted on it. The shopkeeper marked the price of his goods by 10%, but unfortunately, he was caught by the metrology department and then they ordered him to repair his weighing machine and gave punishment to sell the goods at 10% discount on ...
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Find the sum of the numbers between 550 and 700 such that when they are divided by 12, 16 and 24, leave remainder 5 in each case. a) 1998 b) 1887 c) 1788 d) 1884 Sol: ⇒ LCM of 12, 16, and 24 = 48 Multiple of 48 bigger than 550 which leaves remainder 5 are ...
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A merchant marks up the price of his goods by 40% more than the cost price. He then sells 1/5th of his goods at a discount of 10%, half of the goods at the marked price and the rest of the goods at a discount of 20%. Find his profit percentage. (a) 25.5% (b) 28.8% (c) 27.7% (d) ...
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