Rd Sharma Class 7 Access

One evening, Rohan was stuck on a chapter called . specifically, the multiplication of negative numbers. "Minus times minus is plus," he recited. "But why?"

Rohan was a typical Class 7 student. He loved science and was great at cricket, but when it came to Math, he felt a pit in his stomach. He had just moved to a higher grade, and suddenly, the numbers seemed to have a mind of their own. rd sharma class 7