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Sum of present ages of Laxman and his grandmother = 38 X 2 = 76 years Let the present age of Laxman = 'x' years Then, present age of Laxman's grandmother = (76 - x) years According to the question, (x + 4) X 3 = (76 - x) Or, 3x + 12 = 76 - x Or, 4x = 64 So, x = (64/4) = 16 And so, present age of Laxman's grandmother = 76 - 16 = 60 years Hence, option a.
18% of 200 - 16% of 150 = ?
(190/38) × (55/5) + (306/18) = ?
(43/10) + (4.2/1.2) - (2.7/3) = (?/4) + (2.7/6.0)
72 x 60 x 22 x 32 =?
What is the value of (6 + 4) ×12/4 + 5 – 3?
36 × 15 + 20% 1250 = ? + 296
8 × 9 + ? – 6 × 11 = 12 × 8