# Class 10th maths science group Chapter 3 Exercise 3.2

## Class 10th maths science group Chapter 3 Exercise 3.2

Class 10th maths science group Chapter 3 Exercise 3.210/26/2017 12:20:02 pm - notes - 10th - Mathematics Science Group - administrator
This series of lecture is about class 10th maths book exercise 3.2. You will get the lectures and notes about all the exercises of maths 9th, 10th, 11th, 12th. These lectures are related to Punjab Textbook Board PTB, Federal Board, Rawalpindi Board and all other educational boards of Punjab. 
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This Lecture includes complete notes of Exercise 3.2 Chapter 3 Variations from class 10th maths (science group) Punjab Text Book Board. For FBISE, RWPBISE and all other boards like Lahore Board, Sargodha Board etc.
In this Lecture you will go through following Topics:
1. Variations
i) Direct Variation
ii) Inverse Variation

Q. 1:	If y varies directly as x, and y = 8 when x=2, find
Q. 2:	If y prop x, and y = 7 when x = 3 find
Q. 3:	If R prop T, and R = 5 when T = 8, find the equation connection R and T. Also find R when T = 64 and T when R = 20.
Q. 4:	If R prop T2, and R = 8 when T = 3, find R when T = 6.
Q. 5:	If V prop R3, and V = 5 when R = 3, find R when V = 625.
Q. 6:	If w varies directly as u3 and w = 81 when u = 3. Find w when u = 5
Q. 7:	if y varies inversely as x and y = 7 when x = 2, find y when x = 126.
Q. 8:	if y prop 1/x and y = 4 when x = 3, find x when y = 24.
Q. 9:	if w prop 1/z and w = 5 when z = 7, find w when z = 175/4.
Q. 10:	if A prop 1/r^2  and A = 2 when r = 3, find r when A = 72.
Q. 11:	if a prop 1/b^2  and a = 3 when b = 4, find a when b = 8.
Q. 12:	if V prop 1/r^3  and V = 5 when r = 3, find V when r = 6 and r when V = 320.
Q. 13:	if m prop 1/n^3  and m = 2 when n = 4, find m when n = 6 and n when m = 432.

Class 10th maths science group Chapter 3 Exercise 3.2 All exercises Full Solutions
Class 10th maths science group Chapter 3 Exercise 3.2 Notes
Class 10th maths science group Chapter 3 Exercise 3.2 Video lecture
Class 10th maths science group Chapter 3 Exercise 3.2 All Questions pdf Notes


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Class 10th maths science group Chapter 3 Exercise 3.1 - Notes, Solutions and Video Lectures10/26/2017 12:16:57 pm - notes - 10th - Mathematics Science Group - This series of lecture is about class 10th maths book exercise 3.1. You will get the lectures and notes about all the exercises of maths 9th, 10th, 11th, 12th. These lectures are related to Punjab Textbook Board PTB, Federal Board, Rawalpindi Board and all other educational boards of Punjab. 
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Class 10th maths science group Chapter 3 Exercise 3.3 - Notes, Solutions and Video Lectures10/26/2017 12:22:53 pm - notes - 10th - Mathematics Science Group - This series of lecture is about class 10th maths book exercise 3.3. You will get the lectures and notes about all the exercises of maths 9th, 10th, 11th, 12th. These lectures are related to Punjab Textbook Board PTB, Federal Board, Rawalpindi Board and all other educational boards of Punjab. 




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