Question
Which one is not a
herbicide?Solution
- Proclaim is not a herbicide; it is an insecticide used to control pests.
- The other options ( Diuron, Amiben, and Butachlor ) are herbicides:
- Diuron : A selective herbicide used to control weeds.
- Amiben : A pre-emergent herbicide used for weed control in crops.
- Butachlor : A pre-emergent herbicide used to control weeds in rice fields.
A group consists of 11 boys and 9 girls. In how many ways can 7 boys and 5 girls be selected from the group?
In how many ways can 3 boys and 2 girls can be seated in a row so that they are in alternate position.
Among a set of 4 black balls and 3 white balls, how many selections of 3 balls can be made such that at least 2 of them are black balls?
In how many different ways can the letters of the word ‘CURIOES’ be arranged in such a way that the vowels occupy only the odd positions?
In a group of 5 boys and 4 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
In how many different ways can the letters of the word “DISCHARGE” be arranged in such a way that the vowels always come together?
In how many different ways can the letters of the word 'REMAINING' be arranged?
In how ways can the selection be made so that a particular member is always included?
- How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "MONARCH"?
- Six people out of which 3 are brothers and the rest are strangers are to be seated in a row. Find the number of ways in which all three brothers are not si...
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