Let the number be N. Then, N ≡ 21 (mod 45). We are asked to find the remainder when N² is divided by 45. N² ≡ 21² (mod 45). 21² = 441. Now, divide 441 by 45: 441 ÷ 45 = 9 remainder 36. Therefore, the remainder when the square of the number is divided by 45 is 36.
Water movement in a saturated soil is governed by
The critical pest density level going beyond what is tolerable to crops is called
Products which can be purchased frequently, immediately and with little efforts are called Durable and non durable products ?
Which one of the following scientist defined the criteria of essentiality of nutrients in plants?
What is he optimum plant population for wheat crop?
Which of the following fruit ripe even after removing from the plant/tree?
The 12th edition of Ex Ekuverin a bilateral joint military exercise between Indian army and Maldives National Force Commenced at________
Water movement in a saturated soil is governed by
What is the main objective of Pruning?
National Agricultural Cooperative Marketing Federation of India Ltd.(NAFED) was established on the auspicious day of Gandhi Jayanti on 2nd October 1958....
