Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get

Exactly three correct answers

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#Question id: 23644

#Aptitude

There are some cows, bulls and 45 hens in a group. One care taker looks after 15 animals. The number of bulls is twice the number of cows. If the number of head is less than the total number of feet by 186(including the care taker), how many care takers are there?

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#Question id: 15481

#12. Applied Biology

One of the approaches for the bacterial strain improvement for primary metabolite include

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#Question id: 10538

#6. System Physiology – Plant

Injury to the leaf caused by herbivory activates which types of ion channels?

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#Question id: 23471

#Aptitude

Which of the following is the example of input device?

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#Question id: 12747

#13. Methods in Biology

Name the plant protein that bind tightly to specific carbohydrate structure.