Question
Ratio of number of book to number of pen sold by a
shopkeeper is 21:12, respectively while ratio of number of pen to number of pencil sold by the same shopkeeper is 4:11, respectively. If price of each book, each pen and each pencil is Rs. 40, Rs. 20, and Rs. 10 respectively then revenue generated by shopkeeper is Rs. 21150. Find the number of pen sold by shopkeeper.Solution
Let, number of book and number of pen sold by shopkeeper be 21x and 12x respectively. Number of pencil sold by shopkeeper = 11/4 × 12x = 33x So, 21x × 40 + 12x × 20 + 33x × 10 = 21150 ⇒ 840x + 240x + 330x = 21150 ⇒ 1410x = 21150 x = 15 Number of pen sold by shopkeeper = 12x = 180
Which figure represents the relation amongst lotus, flower and branches?
The following Venn diagram shows the number of students who like to eat three different fruits (Dates, Mango, Cherry)
If all teachers are learners, and some learners are researchers, which of the following statements is necessarily true?
Which one of the following diagrams best depicts the relationship among Cement, Bricks and Building materials?
The diagram represents the number of students studying different subjects. What is the number of students who study both Hindi and Chemistry?
How many people visited both Kashmir and Shimla but not Manali?
Uttar pradesh , India, Asia
Select from four alternative diagrams, the one that best illustrates the relationship among the three classes. Jewelry, Gold, and Platinum.
Which of the following diagrams best depicts the relationship between Peacock, Birds and Ostrich?
Identify the diagram that best represents the relationship among classes given below: Sportsmen, Footballer, Goal Keeper.
Relevant for Exams:
