For the following questions answer them individually
Study the given table and answer the question that follows.
The table shows the marked prices (in ₹) and percentages of discount offered for five different products.
If product Q is sold at 53% profit and product S is sold at 80% profit, then what will be the sum of the cost prices of Q and S?
The average age of 29 students in a class is 26 years. If the age of the teacher is also included, the average age of the class becomes 26.4 years. Find the age of the teacher?
What is the value of $$\frac{0.1 \div 0.2 \times 0.3 + 0.4 \times 0.5 \div 0.1}{0.1 \times 0.2 - 0.01}?$$
The perimeter of a square is 90 cm more than the length of each of its side. What is the length of each side of the square?
What is the smallest three-digit number which, when divided by 8 or 6, leaves a remainder of 1 in each case?
A girl, walking at $$\frac{5}{6}$$ of her usual speed, misses the bus by 7 minutes. How long does she usually take to reach the bus stop?
The following bar graph shows the number of patients visiting a hospital on different days of a certain week.
Calculate the ratio of the total number of patients visiting the hospital on Monday and Wednesday to the number of patients visiting the hospital on Friday. [Note: None of the patients visited the hospital on more than one day during the given week.]
An inkjet printer can print 8 lines/second and can print a document in 6 minutes. How much time would an LED printer take to print the same document if it can print 7 lines/second more than the inkjet printer?