Maha Board (MSBHSE) Class 8 Math (गणित) Variation Practice Set 7.2 Solution (Page No. 38) in our website. Here candidates of Marathi Medium & English Medium of Maharashtra State can follow this to get Most Easy Solution of Maharashtra Board Class 8 Chapter 7: Variation (Practice Set 7.2).

**Maharashtra Board Class 8 Math Practice Set 7.2 Solution | BalBharati Class 8 Mathematics Chapter 7 Solution:**

Subject | Mathematics (गणित) |

Class | 8 (८) |

Chapter | 7 (७) |

Practice Set | 7.2 (७. २) |

### Practice Set 7.2 Solution (Page No. 38)

**The information about numbers of workers and number of days to complete a work is given in the following table. Complete the table.****Find constant of variation and write equation of variation for every example given below.**

**(1) p α 1/q ; if p = 15 then q = 4**

** (2) z α 1/w ; when z = 2.5 then w = 24**

**(3) s α 1/t ^{2} if s = 4 then t = 5**

**(4) x α 1/ √y, if x = 15 then y = 9**

**The boxes are to be filled with apples in a heap. If 24 apples are put in a box then 27 boxes are needed. If 36 apples are filled in a box how many boxes will be needed?****Write the following statements using symbol of variation .**

**(1) The wavelength of sound (l) and its frequency (f) are in inverse variation.**

**(2) The intensity (I) of light varies inversely with the square of the distance (d) of a screen from the lamp.**

**x α 1/√y amd x = 40 then y = 16. If x = 10, find y.****x varies inversely as y, when x = 15 then y = 10, if x = 20 then y = ?**

**SOLUTION:**

*Latest Edition BalBharati Math Solution for Standard 8^{th} Chapter 7.2. Any Kinds of problem to understand, Feel free to comment us below. Thank You.*