The average age of A and B is 18 years. If A is to be replaced by C, the average would be 17 years. The average age of C and A is 19 years. Find the age of A.
A + B = 2 × 18 = 36 yr B + C = 2 × 17 = 34 yr C + A = 2 × 19 = 38 yr On adding all three, 2 (A + B + C) = 36 + 34 + 38 = 108 ⇒ A + B + C = 54 ∴ A = (A + B + C) – (B + C) = 54 – 34 = 20 yr
Choose the one which best expresses the meaning of the given word .
Ingenuous
In each of the following questions, three out of four words given have the same meaning. Mark the number as your answer which is different in meaning ...
PERIL
Give the baby a good diet
A Speech made for the first time In a public gathering
IMPLEMENT
CADENCE
TRANSFORM
Select the most appropriate synonym of the given word.
Obligatory
I have a problem with my eye. I want to consult an eye specialist.
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