Question

1) Explain Associativity property for Rational number with suitable example.

2) Find the square of 85 by diagonal method.

3) If 72x+1 ÷ 49= 343 , find value of x.

4) The cost of a chocolate is Rs (2x+Y) .Find the cost of 2(x+2y) chocolates.

5) Solve with suitable identity:- 106x94​

Answer 1

Answer:

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