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प्रश्न
In a class test containing 10 questions, 5 marks are awarded for every correct answer and (− 2) marks are awarded for every incorrect answer and 0 for questions not attempted.
Heena gets two correct and five incorrect answers out of seven questions she attempts. What is her score?
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उत्तर
Marks given for 2 correct answers = 5 × 2 = 10
Marks given for 5 wrong answers = −2 × 5 = −10
Score obtained by Heena = 10 − 10 = 0
संबंधित प्रश्न
Find the following product:
(−12) × (−11) × (10)
Find the following product:
9 × (−3) × (−6)
Find the following product:
(−1) × (−2) × (−3) × 4
(−10) × ____ = 20
____ × (−9) = −45
(−15) × 5 = 75
(−100) × 0 × 20 = 0
In a class test containing 10 questions, 5 marks are awarded for every correct answer and (–2) marks are awarded for every incorrect answer and 0 for questions not attempted.
Reshma gets five correct answers and five incorrect answers, what is her score?
We can write a pair of integers whose sum is not an integer.
Integers are closed under multiplication.
