Question

Kamal mixes 80 kg sugar worth Rs 6.75 per kg with 120 kg sugar worth of Rs 8 per kg. At what rate should he sell the mixture to gain 20%?

• A. Rs 7.50
• B. Rs 9
• C. Rs 8.20
• D. Rs 8.85
• E. None of these

Answer 1

The correct option is C Rs 8.20

Only 3 is a prime number.