Let us assume the present age of son be x then present of Deepak be 3x.
Five years hence, the ratio of their ages will be 34 : 13 respectively.
then according to question,
(3x + 5)/(x + 5) = 34/13
? (3x + 5) 13 = 34 (x + 5)
? 39x + 65 = 34x + 170
? 5x = 105
? x = 21
Hence, present age of Deepak = 3x = 3 x 21 = 63
the pattern is ... babc
All are rodents or rat family, except cat.
Barrow' is man-driven cart whereas others are usual.
Except option (d), all letters in pairs having difference of four.
The relationship is x : (x2 - 9).
63/3 = 21
27/3 = 9
F
Except option (c) rest all are perfect squares.
Except, `Plate', all two in number.
All other terms are used to denote the size.
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