Question
Which of the following animal phyla includes organisms
that have no true tissues or organs, and obtain nutrients through filter feeding?Solution
Porifera have no true tissues or organs, and obtain nutrients through filter feeding.
A group consists of 12 boys and 7 girls. In how many ways can 5 boys and 3 girls be selected from the group?
A committee of 5 members is to be formed out of 6 men and 4 women. In how many ways can a committee consisting of atleast 1 woman be formed?
In how many ways can the letters of the word ‘MEDICAL’ be rearranged so that the vowels never come together?
A total of 24 points are given on a plane, out of which 10 are collinear. How many distinct straight lines can be formed using these points?
There are 14 candidates for 5 post. In how many different ways can be post be filled?
In how many different ways can the letters of the word 'COMPUTER' be arranged in such a way that the vowels always come together?
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...
Using all the letters of the word CANOER, how many words start with a vowel but end with a consonant?
In how many different ways can the letters of the word "AIRSTRIKE" be arranged if all the vowels must always be grouped together?
Nine boys have to stand in a circle. In how many ways they are to be stand on the circumference of circle?
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