Question
Solution
Let x = √(56+√(56 +√(56+ √(56+√(56+)…∞ )))) x = √(56+x) Squaring both the sides, x² = 56 + x x² - x – 56 = 0 x² - 8x + 7x – 56 = 0 x(x-8) + 7(x + 7) = 0 x = 8 , -7 Alternate method: Split 56 in the product of two consecutive numbers i,e. 7 & 8 and the highest number is the answer. So answer is 8.
71, 79, 88, 152, ?, 393
What will come in place of the question mark (?) in the following series?
102, 111, 136, 185, 266, ?
What will come in place of the question mark (?) in the following series?
20, ?, 30, 60, 150, 450
3 2 10 ? 17 16
?, 15, 45, 225, 1575, 14175
What value should come in the place of (?) in the following number series?
14, 18, ?, 43, 68, 104
What will come in place of the question mark (?) in the following series?
1458, ?, 162, 54, 18, 6
7, 176, ?, 378, 427, 452
...What will come in place of the question mark (?) in the following series?
1515, 184, ?, 455, 967, 624
24 12 18 ? 157.5 708.75 3,898.125
Relevant for Exams:
