Question
The cost price of 23 mangoes is Rs.200. Because of bad
quality of mangoes, the shopkeeper has to sell mangoes at a loss that is equal to selling price of 2 mangoes. Find the price at which the mangoes were sold.Solution
Let the selling price of one mango be Rs. x So, the selling price of 23 mangoes = Rs.23x Now, => 23x = 200 – 2x => x = 8 Therefore the selling price of 23 mangoes = 23 × 8 = Rs.184
The average age of a group of 9 teachers is 50 years. When the principal retires, the average age of the remaining teachers drops to 45 years. Find the ...
The average of five consecutive odd numbers is 53. What is the average of the first three numbers among them?
There are three categories of jobs HR, CA and PA. The average salary of the student who got the job of HR and CA category is 20 lakhs per annum. The ave...
The average of four numbers is 150. Two of the numbers are equal (not least), and 50 more than the least number. If the 4th number is twice the least nu...
The average weight of ‘x’ group members is 56 kg. The average weight of (x – 18) women is 55 kg, of (x – 20) children is 50 kg, and of (x – 22...
The average score of a student increased by 5 marks when he scored 210 marks in his 60th test. Find the average score of the student after 60 tests.
The average cost price of 18 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.74. ...
- Find the square of 'x' if the average of 22, 31, 49, 38, 29, and 'x' is 40.
The average cost of three chairs is Rs.16000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th
Average run scored by a batsman in 20 innings is 90. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
