Re: [2IIM CAT Prep] Ratio, proportions

Bookmark and Share
 

Hi,

A = 2x last year
B = 3x last year

A = 2x * 4 / 3 this year = 8x / 3
B = 3x * 7 / 5 this year = 21x / 5

Diff = (63x - 40x) / 15 = 1150

x = 1150 * 15 / 23 = 50 * 15 = 750

B's sal this year = 21 * 750 / 5 = 21 * 150 = Rs 3150

What is the official answer ...
--
Regards,
Naveenan
2IIM Mumbai

CAT 2012 Batch Starts July 31st

CAT 2011 Crash - Starting Aug 7 - Batch of 8 students.

Office: +91-80970-48484


On Sun, Jul 17, 2011 at 9:22 PM, sindhuja <sindhujaa_2004@yahoo.co.in> wrote:
 

Hi all

Kindly help me solve the following problem in the easiest way possible.

A year ago the salaries of Anup and Bunty were in the ratio 2:3. the ratio of the salaries of last yr to this yr, in the case of Anup and Bunty respectively,are 3:4 and 5:7. If this year, the difference in their salaries is Rs.1150, what is Bunty's salary this year?

choices:
a.3150
b.3350
c.3250
d.3050

Thanks and Regards
Sindhuja





__._,_.___
Recent Activity:
2IIM's Intensive Weekend Classes for CAT 2011 by IIM Alumni @ Chennai Starts Mar 20, 2011
http://www.2iim.com

Ascent's 2IIM Study Material for CAT - Comprehensive Course Material Prepared by IIM Alumni
http://www.2iim.com/IIM_CAT_classes_correspondence_courses/CAT_correspondence_course.shtml
.

__,_._,___