Mathematics Past Questions and Answers

The median of the distribution is

A 9.5kg
B 11kg
C 67kg
D 65.5kg
E 68kg

Question 402:

The percentage of the students with mass less than 69kg is

A 56%
B 62.5%
C 68%
D 70%
E 87.5%

Question 403:

The mean heights of the three groups of students consisting of 20, 16 and 14 students are 1.67m, 1.50m and 1.40m respectively. Find the mean height of the students

A 1.52m
B 1.53m
C 1.54m
D 1.55m
E 1.56m

Question 404:

Two cards are drawn one after the other with replacement from a well-shuffled ordinary deck of 52 cards containing four Aces. Find the probability that they are both Aces

A 1/221
B 1/169
C 1/52
D 1/26
E 1/13

Question 405:

Find the probability that a number selected from the number 30 to 50 inclusive is a prime

A 1/4
B 5/21
C 2/7
D 3/10
E 1/3