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Let the ages of the four family members be A, B, C, and D, respectively. Five years ago, the average age of a family of four members was 25 years: The total age of the family five years ago = 4 × 25 = 100 The sum of their ages five years ago = A + B + C + D = 100 The total present age of the family = (A + 5) + (B + 5) + (C + 5) + (D + 5) = 100+20 =120 Six years hence, The total age of the family =(A+5+6) + (B+5+6) + (C+5+6) + (D+5+6) = 120+24 =144 Six years hence, the ratio of their ages will be 9:7:5:3 (9x) + (7x) + (5x) + (3x) = 144 x = 144 / 24 x = 6 A = 9x – 6 = (9 × 6) - 6 = 54 – 6 = 48 years B = 7x – 6 = (7× 6) – 6 = 42- 6 = 36 years C = 5x – 6 = (5 × 6) - 6 = 30 – 6 = 24 years D = 3x – 6 = (3 × 6) - 6 = 18 – 6 = 12 years
Which figure from the given options would replace the question mark (?) if the following figure series were to be continued?
In a code language, 'CAKE' is coded as 64, and 'WAFER' is coded as 125. How will 'BISCUIT' be coded in the same language?
Five words have been given, out of which four are alike is some manner and one is different. Select the odd one.
In a certain code language,
'Space Thee Bliss' is written as 'is jk th',
'Bliss Youth Last' is written as 'th cu wn',
Complete the missing portion of the given pattern by selecting from the given options.
Select the option figure in which the given figure is embedded (rotation is NOT allowed).
Select the letter-cluster from among the given options that can replace the question mark (?) and continue the given series.
KWX, NSA, QOD, TKG, WGJ, ?
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
76 * 34 * 23 * 12 * 6 * 21
Four girls A, B, C and D, and four boys P, Q, R and S, are sitting around a round table facing the centre.