Question
N, O, Q, R, S and U are standing in straight line
facing north. Who among the following is between R and U? I. U stand second to the right of R. U is an immediate neighbour of O and Q. S is second to the right of Q. II. There are three persons between O and S. O is not at the extreme ends of the row but is second to the left of Q. Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer –ÂSolution
From I,
O stands between R and U. Hence statement I alone is sufficient to answer the question. From II, There is no information about R and U. So statement II alone is not sufficient to answer the question.
Which is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe’s elemental mass?
Which of the following pair of element – atomicity is correct?
I. Helium – monoatomic
II. Oxygen – triatomic
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What is heavy water?
On a clean glass plate, a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:
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Who measured the velocity of light first?
Chlorophyll-a is present in all photosynthetic organisms except
Anions are formed through which process?
Flemings right hand rule is used to find the direction of the –