Q.9 In a class test containing 10 questions, 5 marks are awarded for every correct answer and (-2) marks for every incorrect answer and 0 for questions not attempted.
(i) Mohan gets four correct and six incorrect answers. What is his score?
(ii) Reshma gets five correct and five incorrect answers. What is her score?
Q.10 A car runs 16 kilometres using 1 litre of petrol. How much distance will 3 it cover using 2 4 litres of petrol?
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0
Answer:
Q9
Mohan get 8 marks
Reshma get 15 marks
Q10
Using 3 litre 48km
2 litre 32km
4 litre 64km
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Answer:
Q.9 (i) Mohan get 8 marks.
5×4=20
(-2)×6=(-12)
20-12=8
(ii) Reshma gets 15 mark
5×5=25
(-2)×5=(-10)
25-10=15
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