For the following questions answer them individually
The given chart shows the number of students in Class 4, Class 5, Class 6 and Class 7 who got first class, second class and failed in the final examinations.
Which class has the least number of students who passed?
Ram deposited an amount of ₹ 8,000 in a bank’s savings account with interest 6.5% compounded monthly. What amount will he get at the end of 18 months?
The average age of 16 students in a college is 20. Out of them, the average age of 5 students is 20 and the average age of the other 10 students is 20.4. Find the age of the 16th college student.
By selling an article for $$₹ 600$$, a shopkeeper makes a profit of 20%. At what price should he sell the article to incur a loss of 20% ?