Question
Read the given statements and conclusions carefully.
Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follows from the statements. Statements: All silvers are gold. All gold are diamonds. All platinum are diamonds. Conclusions: Â I. Some gold are platinum. II. Some platinum are silvers.Solution
All platinum are diamonds (A) + [All gold are diamonds (A) → Conversion] → Some diamonds are gold (I)  → No conclusion. Hence conclusion I does not follow. All silvers are gold (A) + All gold are diamonds (A) → All silvers are diamonds (A) +  [All platinum are diamonds (A) → Conversion] → Some diamonds are platinum (I)  → No conclusion. Hence conclusion II does not follow.
 Alum stops bleeding in minor cuts because of
Which of the following is a physical change?
Milk tastes sour when kept in the open for sometimes due to the formation of-
Milk tastes sour when kept in the open for sometimes due to the formation of-
The nucleus of an atom consists of-
The fuel that is used in modern submarines is -
The chemical name of'Common salt’
The absolute value of the charge on electron was determined by-
The element used for making solar cells is
The major constituent of air is
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