Question
Maths
May 17, 2021, 4:13 p.m.
Answer
In a test, +3 marks are given for every correct answer and -1 mark are given for every incorrect answer. Sona attempted all the questions and scored +20 marks though she got 10 correct answers. How many incorrect answers has she attempted?
A grandfather is 10 times older than granddaughter he is also 54 years older than her find present ages
Is zero a rational number can you write it in the form of p upon q where p and q are integers and q equal to 0
