Advertisements
Advertisements
Question
Thenmalar appeared for competitive exam which has negative scoring of 1 mark for each incorrect answer. In paper I she answered 25 questions incorrectly and in paper II, 13 questions incorrectly. Find the total reduction of marks
Advertisements
Solution
For each incorrect question the score = −1
In paper I, for 25 incorrect questions the score = – 25 × (−1) = −25
In paper II, for 13 incorrect questions the score = 13 × (−1) = −13
The total marks get reduced = (−25) + (−13) = −38
−38 marks will be reduced.
APPEARS IN
RELATED QUESTIONS
Use the number line and add the following integers: (−3) + 7
Find the sum of:
−312, 39 and 192
(−30) + ____ = 60
(−5) + ___ = −100
What should be added to −1 to get 10?
Say true or false.
The smallest negative integer is −1
The statement “When an integer is added to itself, the sum is greater than the integer” is ______.
______ + (–11) + 111 = 130
Add without using a number line:
(–380) + (–270)
Find the sum:
(–7) + (–9) + 4 + 16
