New ixamBee Expert Talk Session by ex-GM, NABARD
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Question

Study the following information carefully and answer the questions given below: The following information gives information about the number of Jackets and Sweaters sold from different stores. Numbers of Jackets sold in shop A and number of Sweaters sold in shop B is in the ratio 11:7 respectively and their sum is 774. Average number of Sweaters and Jackets sold from shop A is 360. The number of Sweaters sold from shop D is 45% of the number of Sweaters sold from shop E. The number of Jackets sold in shop D is 31 more than the number of Jackets sold in shop A and 90 less than the number of Jackets sold in shop B. The difference between the numbers of Sweaters sold from shop D and E is 121. A total of 1134 Jackets were sold from shop E and B.

Number of Jackets sold from shop B is how much percent of Sweaters sold from shop E?

A 145% Correct Answer Incorrect Answer
B 120% Correct Answer Incorrect Answer
C 110% Correct Answer Incorrect Answer
D 136% Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

Numbers of Jackets sold in shop A and number of Sweaters sold in shop B be 11x and 7x respectively. According to the question, => 11x + 7x = 774 => 18x = 774 => x = 43 Numbers of Jackets sold in shop A = 11x = 473 Numbers of Sweaters sold in shop B = 7x = 301 Now, Average number of Sweaters and Jackets sold from shop A,   => (473 + Sweaters)/2 = 360 => Sweaters sold by A = 247 The number of Jackets sold in shop D = 31 + 473 = 504 The number of Jackets sold in shop B = 504 + 90 = 594 Number of Jackets sold from shop E = 1134 – 594 = 540 Now, Let number of Sweaters sold from shop D be 9y and number of Sweaters sold from shop E be 20y. According to the question, => 20y – 9y = 121 => 11y = 121 => y = 11 Number of Sweaters sold from shop D = 9y = 99 Number of Sweaters sold from shop E = 20y = 220 Required average = (594/540) × 100 = 110%

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