Question
30 pens are there in a box where 9 are red pens, ‘p’
are blue pens and remaining are black pens. If a pen is picked, the probability of getting blue pen is 0.5. Find the ratio of the number of blue pens and black pens.Solution
Probability of getting a blue pen , => p/30 = 1/2 => p = 15 So, number of black pens = 30 – 15 – 9 = 6 Required ratio = 15 : 6 = 5:2
The fundamental principle of soil science was first laid down by _____
Which among the following horticulture crop has highest productivity
Mouldboard plough is classified under:
Highest green fodder yielding variety of berseem
Food Analysts have a major role to play in ______ of food samples in the food laboratories
Soil testing provides
In Tripura the net cropped area as per 2018-19 Government of Tripura statistics is
In agro forestry systems, the tree compete with neighboring crops mainly for:
The organelle responsible for the synthesis of lipids and the modification of proteins is
…………….. is called as the light-sensitive part of ommatidium?