1.

(a) A ball is dropped from a height of 30m. After striking the surface it rises to 23 of its height. Again it falls on the surface and this time it covered only 25 of its previous height. It continued for next two times and it only covered half of its previous height. Find the distance covered by the ball. (b) Which of the following inequalities are correct? (i) −15<−35 (ii) −35<−15 (iii) 35>15 [4 MARKS]

Answer»

(a) A ball is dropped from a height of 30m. After striking the surface it rises to 23 of its height. Again it falls on the surface and this time it covered only 25 of its previous height. It continued for next two times and it only covered half of its previous height. Find the distance covered by the ball.

(b)
Which of the following inequalities are correct?

(i) 15<35

(ii) 35<15

(iii) 35>15

[4 MARKS]



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