Q-3 Do as directed. . ( 10 )
1. Find the value of the expression 2a+2b
when a = 0, b = -1.
2. Add 3x+11 and 7x-5
3. Subtract 6xy from -12xy.
4.Find the product of : 9/2 × (-7/4)
5.Write the following rational numbers in ascending order :⅗ , -⅖ , -⅕
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5th question not clear
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