Transplanting:
- Transplanting is carried out in well-prepared fields once the seedlings reach a height of 10-15 cm.
- Spacing of 75 cm between rows and 50 cm between plants is ideal for proper aeration and growth.
- Transplanting should be done in moist soil, preferably after light irrigation or rainfall.
- For the initial few days, shading is provided to minimize transplant shock.
Derive an expression for maximum speed of a vehicle moving along a horizontal circular track.
If the mean and variance of a binomial distribution are \( 18 \) and \( 12 \) respectively, then the value of \( n \) is __________.