Question
Who proposed that the first form of life could have come
from pre-existing non-living organic molecules ?Solution
The correct answer is B
In a bag there are 4 red balls, 3 green balls, and 5 blue balls. If one ball is drawn at random from the bag, what is the probability of drawing a green...
In how many different ways can the letters of the word "BANK" be arranged?
From 7 artists and 6 designers, a team of 9 members is to be selected. In how many ways can this team be formed if it includes at least 6 artists?
Find total number of ways in which the word “COMMISSION” can be arranged.
In how many ways can the letters of the word ENGINEERING be arranged?
From 6 officers and 8 Jawans, in how many ways can 5 be chosen to include exactly 3 officers?
- Seven people are to be arranged on seven chairs. Among them, there are three friends who should not sit together. Find the number of valid arrangements.
In how many different ways can the letter of the word CHESTNUT is arranged so that vowels always occur together?
In how ways can the selection be made so that a particular member is always included?
Using all the letters of the word RELIAN, how many words start with a vowel but end with a consonant?