To determine the correct standardization mark depicted in the given image, we need to understand the different marks and their associations:
Based on the description and visual representation, the identified mark in the image is ISI, indicating product quality and safety as per Indian standards.
The ISI (Indian Standards Institute) mark is used in India to certify that a product conforms to the standards set by the Bureau of Indian Standards (BIS). This mark is typically found on products such as electrical appliances, cement, and various consumer goods to ensure quality and safety standards are met.
So, the correct answer is (A): ISI.
A shop sells a book for 240 rupees after giving a 20 % discount on the marked price. What is the marked price of the book?