Percentage

[Vivek Nahata]

Is this question correct ?

Sent from my Xperia™ smartphone

[abhishek chakrobrotty]

The question is correct i guess.

A/Q,

3/4(SP)= 96/100(CP)

=> SP/CP= 96/100 X 4/3

Now If he sells it in SP then Profit =(SP-CP)/CP X 100

=> (SP/CP-1) X 100

Substituting , we ll get 28% profit

Is it correct ?

On Sun, Jan 12, 2014 at 9:22 PM, Vivek Nahata <vvivek...@gmail.com> wrote:

Is this question correct ?

Sent from my Xperia™ smartphone

--

---
You received this message because you are subscribed to the Google Groups "Sui Generis" group.
To unsubscribe from this group and stop receiving emails from it, send an email to suii_generis...@googlegroups.com.
For more options, visit https://groups.google.com/groups/opt_out.

[Vivek Nahata]

Answer is ryt but i think sme prob with languagee

Sent from my Xperia™ smartphone

[manika kapoor]

28%..

[Arushi Garg]

RVP. 2(b) pg 19.
Q25. If (x+y) varies directly as (x-y) then (x²+y²) will directly vary as?
A) x²-y²   B) xy   C)A and B   D)none of these

Q26. A varies directly as the sum of the two quantities B and C. B in turn varies directly as x and C varies inversely as x. When x=2, A=6 when x=4, A=9. Find value of A when x=16.
A)2½   B)1   C)8½   D)32½

Shortest ways for these questions?

---

From: manika kapoor
Sent: ‎12-‎01-‎2014 10:14 PM
To: suii_g...@googlegroups.com
Subject: Re: [suii-generis: 17211] Percentage

[Deepesh Arora]

On 1/13/14, Arushi Garg <arushi....@gmail.com> wrote:
> RVP. 2(b) pg 19.
> Q25. If (x+y) varies directly as (x-y) then (x²+y²) will directly vary as?
> A) x²-y² B) xy C)A and B D)none of these
>
> Q26. A varies directly as the sum of the two quantities B and C. B in turn
> varies directly as x and C varies inversely as x. When x=2, A=6 when x=4,
> A=9. Find value of A when x=16.
> A)2½ B)1 C)8½ D)32½
>
> Shortest ways for these questions?
>

With Regards
Deepesh Arora

[Vivek Nahata]

Fr 25th take a constant k n apply compodendo n dividendoo u will see some constant n fr 26 bhi take A = k (x + 1/x ).. I think isse fast nt possible

Sent from my Xperia™ smartphone

Arushi Garg <arushi....@gmail.com> wrote:

RVP. 2(b) pg 19.
Q25. If (x+y) varies directly as (x-y) then (x²+y²) will directly vary as?
A) x²-y²   B) xy   C)A and B   D)none of these

Q26. A varies directly as the sum of the two quantities B and C. B in turn varies directly as x and C varies inversely as x. When x=2, A=6 when x=4, A=9. Find value of A when x=16.
A)2½   B)1   C)8½   D)32½

Shortest ways for these questions?

---

From: manika kapoor

Sent: 12-01-2014 10:14 PM
To: suii_g...@googlegroups.com

[Praval Chandyoke]

For ques 25 answr is (x-y)^2.. i.e. none of these
N for ques 25 answr is 32.25.. dat is not in any option...
Is dis ryt??

On 13 Jan 2014 19:28, "Arushi Garg" <arushi....@gmail.com> wrote:

RVP. 2(b) pg 19.
Q25. If (x+y) varies directly as (x-y) then (x²+y²) will directly vary as?
A) x²-y²   B) xy   C)A and B   D)none of these

Q26. A varies directly as the sum of the two quantities B and C. B in turn varies directly as x and C varies inversely as x. When x=2, A=6 when x=4, A=9. Find value of A when x=16.
A)2½   B)1   C)8½   D)32½

Shortest ways for these questions?

---

From: manika kapoor
Sent: 12-01-2014 10:14 PM