Correct option is D
Given:
Quantities of rice are 120 kg, 160 kg, and 210 kg.
Formula Used:
HCF = Highest Common Factor of the given quantities.
Solution:
Prime factorization:
120 = 2³ × 3 × 5
160 = 2⁵ × 5
210 = 2 × 3 × 5 × 7
Common prime factors = 2 × 5 = 10
HCF = 10