
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Ex 12.1
Ex 12.1, 2 Important
Ex 12.1, 3
Ex 12.1, 4 Important
Ex 12.1, 5 Important
Ex 12.1, 6 (a)
Ex 12.1, 6 (b) Important
Ex 12.1, 6 (c)
Ex 12.1, 6 (d) Important
Ex 12.1, 7 (a) Important You are here
Ex 12.1, 7 (b)
Ex 12.1, 7 (c) Important
Ex 12.1, 7 (d) Important
Ex 12.1, 8
Ex 12.1, 9
Ex 12.1, 10 Important
Ex 12.1, 11
Ex 12.1, 12 Important
Ex 12.1, 13 Important
Ex 12.1, 14
Ex 12.1, 15 Important
Ex 12.1, 16 Important
Last updated at May 29, 2023 by Teachoo
Ex 12.1, 7 Find the ratio of the following: (a) 30 minutes to 1.5 hours Here, We convert hours into minutes 1.5 hours = 1.5 × 60 minutes = 15/10 × 60 = 15 × 6 = 90 minutes So, Ratio = (30 𝑚𝑖𝑛𝑢𝑡𝑒𝑠)/(90 𝑚𝑖𝑛𝑢𝑡𝑒𝑠) = 30/90 Cancelling 0s = 3/9 = 1/3 ∴ Required ratio = 1 : 3