Idioms and Phrases Previous Year All Government Exams Part 6

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?

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.

Suppose all the surfaces in the previous problem are rough. The direction of friction on B due to A

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?

A man saved Rs. 66000 in 20 years. In each succeeding year after the first year he saved Rs. 200 more than what he saved in the previous year. How much did he save in the first year?

A man saved Rs. 66000 in 20 years. In each succeeding year after the first year he saved Rs. 200 more than what he saved in the previous year. How much did he save in the first year?

Jitendra set up a factory by investing Rs 2500000. During the first two successive years his profits were 5% and 10% respectively. If each year the profit was on previous year's capital, compute his total profit.