# A ball is released from certain height. It loses 50% of its kinetic energy on striking the ground. It will attain a height again equal to a) One fourth the initial height b) Half the initial height c) Three fourth initial height d) None of these

## Question ID - 50948 :- A ball is released from certain height. It loses 50% of its kinetic energy on striking the ground. It will attain a height again equal to a) One fourth the initial height b) Half the initial height c) Three fourth initial height d) None of these

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Answer Key : (b) -
 (b) Because 50% loss in kinetic energy will affect its potential energy and due to this ball will attain only half of the initial height

Next Question :

The following question consists of two statements I and II are given below. You have to decide whether the data provided in the statements are sufficient to answer the question.

Whose body weight is second highest among the five boys Arun, Vinay, Suraj, Raju and Pratap?

I. Average weight of Arun, Suraj and Vinay is 68 kg and average weight of Raju and Pratap is 72 kg. Also Suraj is 78 kg, Raju is 68 kg.

II. Average weight of Arun, Suraj Vinay and Raju is 68 kg and Suraj is 78kg, Raju is 68 kg and   Vinay is 46 kg of all of them have different weights

(a) The data in statement I alone was sufficient to the answer the question while II alone not sufficient to the answer the question.

(b) Data in statement II alone are sufficient to answer the question while data in statement I alone are not sufficient to answer the questions.

(c) The data in statement I alone or in statement II alone are sufficient to answer the questions.

(d) The data in both statements I and II are not sufficient to answer the question.