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Augmenting crops: when sub crops are sown to supplement the yield of the main crop such as Japanese mustard with berseem.
An examinee is required to answer 7 questions out of 14 questions, which are divided into two groups each containing 7 questions. He is not permitted to...
In how many ways can a group of 2 boys and 2 girls be made out of a total of 6 boys and 4 girls?
Find the quantity of methods of picking 4 cards from a set of 52 playing cards if four cards are of the same unit?
How many different words can be formed with the letters of the word PRACTICE such that each of the word begin with E and ends with R?
In how many different ways can 4 blue beads and 3 red beads be arranged in a row such that all the blue beads are together and all the red beads are tog...
How many different 10-letter words (with or without meaning) can be formed using all the letters of the word "TEMPTATION"?
A bag contains 4 violet, 2 grey and 6 black pullovers. 3 pullovers are chosen at random. What is the probability that at least 2 pullovers chosen will b...
In how many different ways can 6 History and 5Hindi books be arranged in a shelf so that they are arranged alternately?
A three-lettered word is to be formed from the letters of the English alphabet. If the first and the last letter of the word are different vowels and th...
How many 6-digit numbers can be formed from the digits 0,3,4,5,6 and 8, in which the digits are not repeated?