# Cogmac Technologies Interview Questions

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###### Slope intercept form of linear equation is A. y = b⁄c - ax⁄b B. y = c⁄b - ab⁄x C. y = c⁄b - ax⁄b D. xy = bx⁄c - ay⁄b
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###### A person, standing exactly midway between two towers, observes the top of the two towers at angle of elevation of 22.5° and 67.5°. What is the ratio ? (Given that tan 22.5° = √ 2 − 1 ) A. 7+2√2: 1 B. 1+2√2: 1 C. 5+2√2: 1 D. 3+2√2: 1
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###### The least number which when divided by 16, 18 and 21, leave the remainder 3, 5 and 8 respectively is: A. 995 B. 895 C. 795 D. 695
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###### If A = {1, 2, 5} and B = {3, 4, 5, 9}, then A ? B is equal to If A = {x: x = 3n, n ? 6, n ? N} and B = {x: x = 9n, n ? 4, n ? N}, then which of the following is false? A. A ? B = {9, 81, 729, 6561} B. A U B = {3, 9, 27, 81,243, 729, 6561} C. A-B = {3, 27,243} (d) A ? D = {3, 27, 243, 6561} D. none of these
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###### A bill for Rs. 6000 is drawn on July 14 at 5 months. It is discounted on 5th October at 10%. Find the banker’s discount, true discount, banker’s gain and the money that the holder of the bill receives A. 4390 B. 6580 C. 5880 D. 5350
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