Chapter – 2
Addition and Subtraction
Revision
Do this rev ex ( Q1 to 12) in notebook.
Answer Key
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719
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912
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986
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101
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280
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913
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177
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232
-
32
10. No. of boys = 185
No. of girls = 162
Total no. of students studying in the school = 185 + 162 = 347
11. No. of rose plants = 255
No. of marigold plants = 156
No. of jasmine plants = 178
Total no. of flowering plants = 255 + 156 + 178 =589
12. No. of pots built = 523
No. of pots sold = 484
No. of pots left unsold = 523 – 484 = 39