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In a class test containing 10 questi...

In a class test containing 10 questions , 5 marks are 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 answer and five incorrect answers . What is her score ?

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The correct Answer is:
`=15`
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NAND LAL PUBLICATION-INTEGERS -EXERCISE 1.3
  1. For any integer a, what is (-1)xx a equal to ?

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  2. Starting from (-1)xx5 write varius products showing some pattern...

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  3. Find the products , using suitable properties . 26xx(-48)+(-...

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  4. Find the products , using suitable properties . 8xx53xx(-125...

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  5. Find the products , using suitable properties . 15xx(-25)xx(...

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  6. Find the products , using suitable properties . -(41)xx102

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  7. Find the products , using suitable properties . 625xx(-35)+(...

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  8. Find the products , using suitable properties . 7xx(50-2)

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  9. Find the products , using suitable properties . (-17)xx(-29)

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  10. Find the products , using suitable properties . (-57)xx(-19)...

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  11. A certain freezing process required that room temperature be l...

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  12. In a class test containing 10 questions , 5 marks are are awar...

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  13. In a class test containing 10 questions , 5 marks are are awar...

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  14. In a class test containing 10 questions , 5 marks are are awar...

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  15. A cement company earns a profit of Rs.8 per bag of white cement sold a...

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  16. A cement company earns a profit of Rs.8 per bag of white cement sold a...

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  17. Replace the blank with an integer to make it a true statement ...

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  18. Replace the blank with an integer to make it a true statement ...

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  19. Replace the blank with an integer to make it a true statement ...

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  20. Replace the blank with an integer to make it a true statement ...

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