Given that :- Present age of son = 20 years
According to question ,
father's present age = 2 × Present age of son
His father's present age = 2 x 20 = 40 years
10 years ago , The age of son = 20 ? 10 =10 years
Father's age = 40 ? 10 = 30 years = 10 × 3
Hence , required answer will be 10 years ago .
Silicon, Asenic and Antimony are metalloids while 'Platinum' is an element.
Rest of them are natural calamities.
In all other groups of letters, there is a gap of one leter as in the alphabet between second and third letters.
Eccept 'Triumph', Tri stand for there in all the other terms.
1. Book 2. Pulp 3. Timber 4. Jungle 5. Paper
Neither of the conclusion follows from the given statement.
C + N ? C is the daughter of N
and N - J ? N is the brother of I.
Hence, I is niece of J.
All others are road vehicles.
One
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