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Two numbers are such that twice the greater number exceeds twice the smaller one by 18 and 1/3rd of the smaller and 1/5th of the greater number are together 21. The numbers are: a) (36, 45) b) (45, 36) c) (50, 41) d) (55, 46) Sir here both a and b satisfy the sum. ICAI OPTION IS B. but if I take greater no is y then option can be a SO HOW TO DIFFERENTIATE


Prasanth kumar Kamisetty

Prasanth kumar Kamisetty

CA Foundation

11K+

03-Aug-20 09:16

31

Answers (13)

Can you share exact question? Look like there is an error in options.


Suraj Lakhotia

Suraj Lakhotia

Admin

03-Aug-20 09:18

Suraj Lakhotia Admin

Can you share exact question? Look like there is an error in options.

This is the question


Thread Starter

Prasanth kumar Kamisetty

Prasanth kumar Kamisetty

CA Foundation

11K+

03-Aug-20 09:55

Thread Starter

Prasanth kumar Kamisetty

This is the question

Forgot to upload the photo Pls see here

Attachments

IMG_20200803_095113.JPG


Thread Starter

Prasanth kumar Kamisetty

Prasanth kumar Kamisetty

CA Foundation

11K+

03-Aug-20 09:55

Greater number is 'y' and smaller number is 'x' then 2y-2x=18 first equation and 1/3x+1/5y=21 is second equation...... substitute value of y from first equation in the second equation. U will get 45, 36


sudha reddy

sudha reddy

Moderator

03-Aug-20 10:04

Why shouldn't I take the other way round


Thread Starter

Prasanth kumar Kamisetty

Prasanth kumar Kamisetty

CA Foundation

11K+

03-Aug-20 10:08

Thread Starter

Prasanth kumar Kamisetty

Why shouldn't I take the other way round

U can take other way round too........ x as higher and y as lower


sudha reddy

sudha reddy

Moderator

03-Aug-20 10:11

sudha reddy Moderator

U can take other way round too........ x as higher and y as lower

But if this is the case in exam my option will be wrong


Thread Starter

Prasanth kumar Kamisetty

Prasanth kumar Kamisetty

CA Foundation

11K+

03-Aug-20 10:12

I 'm asking What if I do in the exam like this

Attachments

777771ea-294a-4580-8cae-1d31fc823458.jpg


Thread Starter

Prasanth kumar Kamisetty

Prasanth kumar Kamisetty

CA Foundation

11K+

03-Aug-20 10:21

Thread Starter

Prasanth kumar Kamisetty

I 'm asking What if I do in the exam like this

Its correct, the option is b as the answer has to greater number, smaller number


sudha reddy

sudha reddy

Moderator

03-Aug-20 10:50

If the sum of the roots of the quadratyic equation ax2 + bx + c = 0 is equal to the sum of the squares of their reciprocals then a*a/ac + bc/a*a is equal to 2. -2. 1. -2


Thread Starter

Prasanth kumar Kamisetty

Prasanth kumar Kamisetty

CA Foundation

11K+

03-Aug-20 12:12

Thread Starter

Prasanth kumar Kamisetty

fourth option is -1

Please solve it and check


sudha reddy

sudha reddy

Moderator

04-Aug-20 15:40

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