Question
48 pens are there in a box where 22 are red pens,
‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blue pen is 0.25. Find the ratio of the number of blue pens and black pens.Solution
Probability of getting a blue pen , => p/48 = 1/4 => p = 12 So, number of black pens = 48 – 22 – 12 = 14 Required ratio = 12 : 14 = 6:7
Which organization developed the "Rangeen Machhli" app?
Which is the trade name of flufenoxuron insecticide?
The minimum tillage, wherein primary tillage is completely avoided and secondary tillage is restricted to seedbed preparation in the row zone only, is:
Lateritic soil is rich in iron and aluminum oxides, which are responsible for its characteristic reddish-brown color. Base saturation in lateritic soil ...
‘Parawilt’ of cotton is:
Maximum eluviation of clay, Fe and Al oxides occurs in which horizon
First KVK in India was established at
Which of the following is a measure to promote the export of organic products under India's Agricultural Export Policy?
Which of the following is silk cotton tree?
Which of the following can result in heterosis?
