Last updated at Nov. 12, 2021 by Teachoo

Transcript

Ex 11.5, 5 Solve the following riddles, you may yourself construct such riddles. Who am I? (i) Go round a square Counting every corner Thrice and no more! Add the count to me To get exactly thirty four !Let variable be x Since square has 4 crores & we go around it 3 times Our count = 12 Given that, Variable + Count = 34 x + 12 = 34 Let’s solve this by trial & error Equation is satisfied at x = 22 ∴ Answer is 22 Equation is satisfied at x = 22 ∴ Answer is 22

Ex 11.5

Ex 11.5, 1 (a)

Ex 11.5, 1 (b)

Ex 11.5, 1 (c)

Ex 11.5, 1 (d)

Ex 11.5, 1 (e)

Ex 11.5, 1 (f)

Ex 11.5, 1 (g)

Ex 11.5, 1 (h)

Ex 11.5, 1 (i)

Ex 11.5, 1 (j)

Ex 11.5, 1 (k)

Ex 11.5, 1 (l)

Ex 11.5, 1 (m)

Ex 11.5, 1 (n)

Ex 11.5, 1 (o)

Ex 11.5, 2

Ex 11.5, 3 (a) Important

Ex 11.5, 3 (b)

Ex 11.5, 3 (c)

Ex 11.5, 3 (d)

Ex 11.5, 3 (e)

Ex 11.5, 3 (f)

Ex 11.5, 4 (a)

Ex 11.5, 4 (b)

Ex 11.5, 4 (c)

Ex 11.5, 4 (d)

Ex 11.5, 5 (i) Important You are here

Ex 11.5, 5 (ii)

Ex 11.5, 5 (iii)

Ex 11.5, 5 (iv)

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.