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Question

# The weight of a ball gets reduced by 23 lb initially from 312 lb after some time. What is the weight of the ball now?

A
136 lb
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B
156 lb
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C
176 lb
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D
196 lb
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Solution

## The correct option is C 176 lbFinal weight of the ball can be found by subtracting the weight 2/3 lb from the initial weight of the ball. Hence, Initial weight of the ball = 312 = 72 lb The equivalent of 72 = 216 lb On the number line, this lies between 3 and 4 and at 3 parts out of 6 parts, i.e., The weight of ball when reduced = 23 lb Since the equivalent of 23 = 46 lb On subtracting, Final weight = 72 - 23 = 216 - 46 = 176 = 256 lb Since the weight is being subtracted, the final weight lies at 4 units left of 216 on the number line, i.e., at 176 lb.

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