Home / Biology / Question
MCQ
In a queue A is 7th from front, B is 9th from back. They interchange, A becomes 11th from front. Total people?
Biology
A 17
B 19
C 20
D 18
Explanation

After interchange A is 11th from front. Total equals 11 plus 9 minus 1 equals 19.

Related MCQs

The Hardy-Weinberg principle states that allele frequencies remain constant in the absence of:
Biology View
A is B\'s father. D is A\'s wife. C is D\'s only child. How is B related to C?
Biology View
Photosynthesis occurs mainly in which part of the leaf?
Biology View
Find the next: 2, 4, 8, 16, 32, ?
Biology View
What comes next: 1, 1, 4, 8, 9, 27, 16, ?
Biology View
Which of the following is an example of artificial selection?
Biology View