B. Solve the questions(any 10)
1. 25,436 + 36,246 +3,42,381=
2.3,00,00,000 - 28,43,376
3. 7,624 x 35=
4, Simplify: 20x 6 - 200 + 50
S. Find the HCF of 75 and 100
6. Find the LCM of 48 and 64
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Forest is an important part of the civilization because,
a) they allowed avilization to live and grow
b)they controlled cruel animals in the jungles
c) they preserved the various resources
d) they had enormous impact on climate.
2) What was the reason behind the decline of Mohenjo Daro civilization?
a) it was because of natural disaster
b) it was because of attack of outsider
c)it was due to deforestation due to urbanization d) it was because they killed themselves
3) Give the meaning of preservation
a to save
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