Question

show that 30,40,45,60 are in production. ​

Answer 1

Step-by-step explanation:

Let, a = 30, b = 40, c = 45, d = 60,. Product of extremes = (30 × 60)=1800

= Product of means = (40 × 45) = 1800

∴ Product of extremes = product of means

Hence, 30, 40, 45, 60 are in proportion.

THIS IS UR ANSWER PLZZ MARK ME AS BRAINLIST PLZ