Advertisements
Advertisements
प्रश्न
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
उत्तर
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
संबंधित प्रश्न
Use the number line and add the following integers:
9 + (−6)
Use the number line and add the following integers: 8 + (−8)
Use the number line and add the following integers: 5 + (−2) + (−6)
____ + (−70) = 70
20 + 80 + ____ = 0
Can you give 10 pairs of single digit integers whose sum is zero?
The statement “When an integer is added to itself, the sum is greater than the integer” is ______.
Add without using a number line:
11 + (–7)
Add without using a number line:
(–10) + (+19)
Find the sum of:
–50, –200 and 300
