Question
Two cards are drawn from a pack of 52 cards. The
probability that 1 is Ace and 1 is Jack is?Solution
Let S be the sample space. Then, n(S) = 52C 2 = `(52 xx 51)/(2 xx 1)` = 1326 Let E = event of getting 1 ace and 1 jack. n(E) = number of ways of choosing 1 ace out of 4 and 1 jack out of 4 = 4C1 `xx` 4C1 = `4 xx 4` = 16 `:.` P (E) = `(n(E))/(n(S))` = `16/1326` = `8/663`
In field experimentation, local control is a device to maintain
A vertical marketing system is:
Which protein suppresses RNAi silencing in viruses?
Genes do not occur in pairs .......................?
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): Tetrazolium test imparts...
Which of the following crop is grown in India by means of dry farming?
When the leaflets are joined together at a common point at the petiole, the type of leaf is
Which of the following is the vector of Banana Bunchy Top disease?
Trees are grown for their economic importance or aesthetic value or both. The cultivation of trees for their aesthetic or recreational value is known as
The family classification of the pest Droscha magniferae (a sap-sucking insect pest of mango) is?
Relevant for Exams:
