Idioms and Phrases Previous Year All Government Exams Part1

Of the students in a college, it is known that 60% reside in hostel and 40% day scholars (not residing in hostel). Previous year results report that 30% of all students who reside in hostel attain ‘A’ grade and 20% of day cholars attain ‘A’ grade in their annual examination. At the end of the year, one student is chosen at random from the college and he has an ‘A’ grade, what is the probability that the student is a hosteler?

The population of a city increased by 10% in the previous year. If the present population is 1,32,000, what was the population of the city a year ago?

In the previous problem, the maximum range of movement of the centre of the part of the circle from line AD in which charged particle of charge Q moves with a velocity v when (theta) is positive to when (theta) is negative is given by

Professors Lambert and Stassen teamteach an advanced psychology class. Their students recently took their final exams, and the professors are preparing to grade them. Professor Stassen predicts that, if she graded all the exams, she would take 50% more time than Professor Lambert would if he graded all the exams. They estimate that it will take them 40 hours to grade all the exams if they grade together. Which of the following equations best represents the situation described?

Juan purchased an antique that had a value of $200 at the time of purchase. Each year , the value of the antique is estimated to increase 10% over its value the previous year. The estimated value of the antique , in dollars, 2 years after purchase can be represented by the expression 200a , where a is a constant . What is the value of a ?

Of all the students in a school, it is known that 30% have 100% attendance and 70% students are irregular. Previous year results report that 70% of all students who have 100% attendance attain A grade and 10% irregular students attain A grade in their annual examination. At the end of the year, one student is chosen at random from the school and he was found to have an A grade. What is the probability that the student has 100% attendance ? Is regularity required in school ? Justify your answer.

There is a certain sequence of positive real numbers. Beginning from the third term, each term of the sequence is the sum of all the previous terms. The seventh term is equal to 1000 and the first term is equal to 1 . The second term of this sequence is equal to

Margo surveyed all the students in the government classes at her school to see what they though should be the most important concern of a national government. The result of the survey are shown in the figure above. If the ratio of students who answered "Foreign Policy" to those who answered " Environmnent" was 5:3 , what percentage of the students answered "Enviroment"?

The first year Eleanor organized a fund-raising event, she invited 30 people. For each of the next 5 years, she invited double the number of people she had invited the previous year. If f (n) is the number of people invited to the fund-raiser n years after Eleanor began organizing the event, which of the following statements best describes the function f ?