121.2 - 1.212 + 12.12, follow these steps:121.200 - 1.212 = 119.988.12.120 to the result: 119.988 + 12.120 = 132.108.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?
If x + 1/x = 5, what is the value of x² + 1/x²?
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world