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ATQ,
Let the two numbers be 'x' and 'y'.
So, x + y = 30
And (1/x) + (1/y) = (12/5)
Or, {(x + y)/(xy)} = (12/5)
Or, xy = (5/12) × 30 = (25/2)
So, required square = (25/2)² = (625/4)
161 173 191 215 245 ?
...23 45 89 155 ? 353
7 29 61 ? 211 349
...The question below is based on the given series I. The series I satisfy a certain pattern, follow the same pattern in series II and answer the questions...
36, 48, 24, 60, ?, 72
84, 97, ?, 162, 214, 279
The question below is based on the given series I. The series I satisfy a certain pattern, follow the same pattern in series II and answer the questions...
384, 357, 313, 252, 174, ?
60, 100, 160, 240, ?, 460