Subtraction of Negative Numbers
Koushal starts from point A and moves 5 metres towards right. Then, he moves 25 metres towards left. Find his final position with respect to the starting point.
70 metres on the left from the starting point.
20 metres on the right from the starting point.
20 metres on the left from the starting point.
50 metres on the left from the starting point.
In a test which contains 10 questions, +5 marks, -2 marks and 0 marks are awarded for every correct answer, incorrect answer and unattempted questions respectively. Ram got 3 correct and 4 incorrect out of 7 questions he attempted. What is his final score?
-3-5 = _____
5(t-4) = ____
(1 - x) = _____
Pavan lives on the 16th floor of a building. He came down 9 floors and collected his Math textbook from his friend Karan. Later, he went up along with Karan to Goutham's house which is 12 floors above Karan's for group work. If Goutham lives on the top most floor of the building, how many floors does the building have?
For any two positive numbers x, y with x < y, x-y =
+y - x
(x+y) - x = ____
In a class test containing 10 questions, 3 marks are awarded for every correct answer, (-1) mark is awarded for every incorrect answer and 0 for the questions which are not attempted. Srinu gets two correct and six incorrect answers out of eight questions he attempts. What is his total score?