Question

1. Simplify: 12(y² + 7y + 10) ÷ 6(y + 5)

2. Vanshika got 150 out of 200 and Sakshi got 120 marks out of 180.

Whose performance is better.

3. Find the height of the cylinder whose volume is 1.54 m3 and diameter

of base is 140 cm.

4. Simplify: x(2x – 1) + 5 and find its value at x = -2.

5. Simplify: (5/8)-7 × (8/5)-5

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Answer 1

Answer:

(12y²+84y+120)/6y+30