Question
The missing number in the series: 4, 9, 25, ?,
121, 169, 289Solution
The series is the square of prime numbers: • 4 = 2² • 9 = 3² • 25 = 5² • 49 = 7² • 121 = 11² • 169 = 13² • 289 = 17² Hence, the missing number is 49 (7²).
More Static GA Questions
1555.5 + 1000.8 – 1354.3 = ? + 52
35% of 240 – 6 2 = ? 2 – √256
2(1/3) + 2(5/6) – 1(1/2) = ? – 6(1/6)
(22² × 8²) ÷ (92.4 ÷ 4.2) =? × 32
1000÷ 250 = ( 3√? × √1444) ÷ ( 3√512 × √361)
- What will come in the place of question mark (?) in the given expression?
[{(224 + 14 × 23) – 187} × (672 ÷ 28 – ?)] = 1795 54 ×70 ×33 ×42  =?
13 X ? = 85 X 4 + √81 + 2