Question
Two times a number, added to the square of that number,
gives 3. What could be the possible answer for this number?Solution
Let the number be x. According to question, ⇒ 2x + x2 = 3 ⇒ x2 + 2x – 3 = 0 ⇒ x2 – x + 3x – 3 = 0 ⇒ (x – 1)(x + 3) = 0 ⇒ x = 1, -3
8Â Â Â 8Â Â Â 12Â Â Â 24Â Â Â Â 60Â Â Â Â Â ?
64, 66, 69, 74, 81, ?
What value should come in the place of (?) in the following number series?
5, 16, 51, 158, 481, ?, 4367
What should come in place of (?) question mark in the following number series.
1, 2, 6, 24, 120, ?
- What will come in place of the question mark (?) in the following series?
712, ?, 576, 508, 440, 372 What will come in place of the question mark (?) in the following series?
48, 291, ?, 399, 408, 411
126 56 ? 12 10 2
...What will come in place of (?) in the following number series problems?Â
90, 84, 120, 113, 162, ?, 218Â
In each of the following number series, one term is missing. Find the missing term.
1, 4, 9, 16, 25, ?
(14.073)² + (32.103)² + (43.9653)² + (52.983)² + ? = (102.45)² + (98.007)²
