CAT2002 SECTION - MATHS _ CAT4MBA

# A 2 5 b 3 5 c 3 8 d 4 0 e no t atte mp te d 46

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Unformatted text preview: c. 3 .8 d . 4 .0 e .No t Atte mp te d 46. If x, y and z are real num bers s uch that: x + y + z =5 and xy + yz + zx = 3, what is the larges t value that x can have? a . 5 /3 b . √1 9 c. 1 3 /3 d . n o n e o f th e s e e .No t Atte mp te d 47. The nth elem ent of a s eries is repres ented as Xn = (-1)n Xn -1 If X0 = x and x > 0 then the following is always true a . Xn is p o s itive if n is e ve n b . Xn is p o s itive if n is o d d c. Xn is n e g a tive if n is e ve n d . No n e o f t h e s e e .No t Atte mp te d 48. Num ber S is obtained by s quaring the s um of digits of a two digit num ber D. If difference between S and D is 27, then the two digit num ber D is : a . 24 b . 54 c. 3 4 d . 45 e .No t Atte mp te d 49. On a 20 km tunnel connecting two cities A and B there are three gutters . The dis tance between gutter 1 and 2 is half the dis tance between gutter 2 and 3. The dis tance from city A to its neares t gutter, gutter 1 is equal to the dis tance of city B from gutter 3. On a particular...
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## This document was uploaded on 03/23/2014.

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