Question
How is R related to Q? I. A is wife of one of the
sons of T and mother of Q who is grandson of R. II. R is mother of Y. Y is father of Q but Q is not daughter of wife of Y. Each of the questions below consists of a question and two statements numbered I and II are given below. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and –Solution
From I,Â
We don’t know the gender of R. Hence statement I is not sufficient to answer the question. From II,
R is grandfather of Q.
The escape velocity from a planet is 11.2 km/s. What is the minimum kinetic energy per kg needed to escape?
1. 6.3 x 107 J/ Kg
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