- Pests:
- Termites (Odontotermes spp.)
- Armyworm (Mythimna separata)
- Aphids (Rhopalosiphum maidis)
- Diseases:
- Rust (Yellow Rust, Brown Rust, Black Rust)
- Loose Smut
- Karnal Bunt
- Powdery Mildew
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 __________.