Mathematics
In a T.V. show, a contestant opts for video call a friend life line to get an answer from three of his friends, named Amar, Akbar and Anthony. The question which he asks from one of his friends has four options. Find the probability that :
(a) Akbar is chosen for the call.
(b) Akbar couldn't give the correct answer.
Related Questions
A vertical tower standing on a horizontal plane is surmounted by a vertical flagstaff. At a point 100 m away from the foot of the tower, the angle of elevation of the top and bottom of the flagstaff are 54° and 42° respectively. Find the height of the flagstaff. Give your answer correct to nearest metre.
The marks of 200 students in a test were recorded as follows :
Marks % No. of students 0-10 5 10-20 7 20-30 11 30-40 20 40-50 40 50-60 52 60-70 36 70-80 15 80-90 9 90-100 5 Using graph sheet draw ogive for the given data and use it to find the,
(a) median
(b) number of students who obtained more than 65% marks
(c) number of students who did not pass, if the pass percentage was 35.