Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

JEE Class main Answered

A product is sold at a profit of 25% on buying price. If the selling price is reduced by Rs. 12.5, the new profit is 20%. What is the buying price?
Asked by vinithavrc | 11 Aug, 2020, 23:14: PM
answered-by-expert Expert Answer
Let the buying price of an article be Rs. x

As space per space the space first space condition comma space profit equals 25 percent sign space of space straight x rightwards double arrow Selling space price equals straight x plus 25 percent sign space of space straight x equals straight x plus fraction numerator 25 straight x over denominator 100 end fraction equals fraction numerator 5 straight x over denominator 4 end fraction space... space left parenthesis straight i right parenthesis After space reducing space selling space price space by space Rs. space 12.5 comma space the space profit space is space 20 percent sign rightwards double arrow Selling space price minus 12.5 equals straight x plus 20 percent sign space of space straight x space equals space straight x plus fraction numerator 20 straight x over denominator 100 end fraction equals fraction numerator 6 straight x over denominator 5 end fraction rightwards double arrow fraction numerator 6 straight x over denominator 5 end fraction plus 12.5 equals Selling space price rightwards double arrow fraction numerator 6 straight x over denominator 5 end fraction plus 12.5 equals fraction numerator 5 straight x over denominator 4 end fraction space space space... space From space left parenthesis straight i right parenthesis rightwards double arrow 24 straight x plus 250 equals 25 straight x rightwards double arrow straight x equals 250 Hence comma space the space buying space price space is space Rs. space 250.
Answered by Renu Varma | 12 Aug, 2020, 11:10: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
JEE main - Maths
in how many ways a team of 2 boys and 4 girls selected from 5 boys and 6 girls
Asked by pallavibirangal87 | 08 Dec, 2024, 10:18: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
if a chord of length 18 cm is 12 cm away from the centre then find the distance of 24 cm long chord from the centre
Asked by pritisindra6 | 06 Dec, 2024, 21:04: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
The number of ways in which at least one coin can be selected from 3 coins of one rupee, 4 coins of fifty paise, 5 coins of twenty paise and 6 coins of ten paise is-
Asked by kanishthkumawat | 29 Nov, 2024, 00:23: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
what is range of tan^-1 x
Asked by pawandhayal125 | 06 Oct, 2024, 10:03: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
what is 2+2
Asked by srishtipra2008 | 28 Sep, 2024, 10:33: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
n arithmetic means are inserted between the numbers 7 and 49. if the sum of these means is 364 then the sum of their squares is
Asked by yogeshsoni575 | 23 Sep, 2024, 23:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
consider a dodecagon then number of ways of selecting two triangles which can be made using the vertices of dodecagon so that they do not have a common side.
Asked by sumit.parsudih | 17 Sep, 2024, 22:22: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
the sum of infinite series 1/2(1/3+1/4)-1/4(1/3^2+1/4^2)+1/6(1/3^3+1/4^3)+
Asked by pritamlovevanshi5 | 15 Sep, 2024, 08:24: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
solve the equation 6x-y+3z=10 , 3x+6y=18 , x+y+5z=-10 by jacobis method with (3,0,-2) as the initial approcimate to the solution
Asked by ganeshbabugottapu7 | 12 Sep, 2024, 18:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
JEE main - Maths
find the inverse of a Matrix by using gauss Jordan method -2. 1. 3 A = 0. -1. 1 1. 2. 0
Asked by ganeshbabugottapu7 | 10 Sep, 2024, 07:32: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt