" XII,ITOIT "

Which of the following is not meaningful? XXIII (b) XII (c) XVV (d) XIV

Which of the following is not meaningful? (a) XXIII (b) XII (c) XVV (d) XIV

In a school, there are 1000 students, out of which 430 are girls. It is known that out of 430, 10% of the girls study in class XII. What is the probability that a student chosen randomly studies in class XII, given that the chosen student is a girl ?

The constraint that in a particular XII class, number of boys(y) are less than number of girls(x) is given by_______________.

The bar graph below shows the percentage break-up of the number of student who visited various tourist spots on new Year evening. The table shows the total numbers of students om classes X,XI and XII . {:("Class","No. of students"),(X,420),(XI,480),(XII,400):} The number of students from class XI and XII together who visited Manali is what percent of the number of students from class X who visited Shimla, Ooty and Nainital together ? (approximate)

In an examination in a school having 60 students in XII A and 40 students in XII B, 15 and 20 students are failed in XII A and XII B, respectively. A student is called by the principal at random, find the probability that he is from XII A if he passed in the examination.