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Answer:
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Question 2:
Answer:
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Question 3:
Answer:
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Question 4:
Answer:
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Question 5:
Answer:
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Question 6:
Answer:
â
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Question 7:
â
Answer:
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Question 8:
Answer:
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Question 9:
Answer:
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Question 10:
Answer:
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Question 11:
Answer:
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Question 12:
Answer:
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Question 13:
Answer:
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Question 14:
Answer:
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Question 15:
Answer:
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Question 16:
Answer:
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Question 17:
Answer:
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Question 18:
Answer:
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Question 19:
Answer:
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Question 20:
Answer:
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Question 21:
Answer:
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Question 22:
Answer:
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Question 23:
Answer:
Let the original salary be Rs 100
Then, after increment of 25% the salary becomes
=
To restore the original salary, let the new salary be decreased by x%.
Thus, we get
Therefore, the new salary must be reduced by 20% to restore the original salary.
Page No 123:
Question 1:
Let the original salary be Rs 100
Then, after increment of 25% the salary becomes
=
To restore the original salary, let the new salary be decreased by x%.
Thus, we get
Therefore, the new salary must be reduced by 20% to restore the original salary.
Answer:
(d) 60%
Page No 123:
Question 2:
(d) 60%
Answer:
(b) 0.008
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Question 3:
(b) 0.008
Answer:
(c) 120%
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Question 4:
(c) 120%
Answer:
(d) 180
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Question 5:
(d) 180
Answer:
(c)
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Question 6:
(c)
Answer:
(d) 2.5%
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Question 7:
(d) 2.5%
Answer:
(b) 600
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Question 8:
(b) 600
Answer:
(c) 15
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Question 9:
(c) 15
Answer:
(d) 560
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Question 10:
(d) 560
Answer:
(a) Rs 160
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Question 11:
(a) Rs 160
Answer:
(c) 175
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Question 12:
(c) 175
Answer:
(b) decrease by 1 %
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Question 13:
(b) decrease by 1 %
Answer:
(a)
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Question 14:
(a)
Answer:
(c) 1200
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Question 15:
(c) 1200
Answer:
(a) 50
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Question 16:
(a) 50
Answer:
(c) 120
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Question 17:
(c) 120
Answer:
(c) 0.25%
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Question 18:
(c) 0.25%
Answer:
(d) 300%
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Question 19:
(d) 300%
Answer:
(a) x
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Question 20:
(a) x
Answer:
(a) x
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Question 1:
(a) x
Answer:
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Question 2:
Answer:
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Question 3:
Answer:
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Question 4:
Answer:
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Question 5:
Answer:
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Question 6:
Answer:
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Question 7:
Answer:
(d) 10%
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Question 8:
(d) 10%
Answer:
(c) 120
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Question 9:
(c) 120
Answer:
(b) 15%
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Question 10:
(b) 15%
Answer:
(d) 120%
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Question 11:
(d) 120%
Answer:
(c) 80
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Question 12:
(c) 80
Answer:
(c) 240
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Question 13:
(c) 240
Answer:
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Question 14:
Answer:
Hence, it is true.
View NCERT Solutions for all chapters of Class 8