Biology · PYQ NEET UG 2026
हिन्दीLength of the stem at time 0 is 20 cm. The arithmetic growth rate is 30 cm per day. What is the length of the stem at the end of the 7th day?
Correct answer · Option 3
230 cm
Explanation
For arithmetic growth, L_t = L_0 + rt. Here L_0 = 20, r = 30, t = 7. L_7 = 20 + (30 × 7) = 230 cm.