Question
In how many ways can the letters of the word "EXAMPLE"
be arranged, and what is the probability that all the vowels in these arrangements always appear together?Solution
ATQ;
Word: EXAMPLE Letters: 7 total (E appears twice) Total arrangements: = 7! / 2! = 5040 / 2 = 2520 Vowels together (E, E, A β 1 block): Remaining letters: X, M, P, L β total blocks = 5 - Ways to arrange 5 blocks = 5! = 120 - Ways to arrange vowels (E, E, A) = 3! / 2! = 3 - Total favorable = 120 Γ 3 = 360 Probability (vowels together): = 360 / 2520 = 1 / 7
The relation between percent and p.p.m. during preparation of plant growth regulator is
Reduction in dry matter, decrease in amino acid content and accumulation of nitrates is the deficiency symptoms of:
Drought occurs due to mismatching of the cropping pattern in relation to rainfall
Which of the following is the main objective of India's New Export Policy 2018?
Where is the headquarters of Directorate of Plant Protection, Quarantine and Storage located?
Which ministry is responsible for implementing the Agricultural Export Policy in India?
Small reddish brown spot surrounded by water soaked margin with yellow holes appear on soybean pods are the symptoms of:
What does IPM stands for?
Which soil requires frequent irrigation?
Water level recorder is used in