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Find the missing number in the following number series.
227, ?, 270, 304, 353, 422.
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Correct Answer is: 246
Pattern of the series-
11, 32, 74, 158, 326, ?
Correct Answer is: 662
?, 80, 158, 471, 1880, 9395
Correct Answer is: 81
59, 60, 56, 65, 49, ?
Correct Answer is: 74
What will come in place of the question mark (?) in the following questions?
510÷?=√324+√256
Correct Answer is: 15
510 ÷ ? = √324 + √256
=>510 ÷ ? = 18+16
=> ? = 510 ÷ 34 = 15
Correct Answer is: 4
?² = 55% of 440 – 80% of 345 + 2 × 7²
Correct Answer is: 8
209 ÷ 399 × 21² - (11)² = ?
Correct Answer is: 110
86 × 5 + 26 × 11 – 22 × 13 = ?
Correct Answer is: 430
? = 86 × 5 + 26 × 11 – 22 × 13
? = 430 + 286 – 286
? = 430
(15)² +? ² = 24 × 22 + 23 × 6
Correct Answer is: 21
(15) ² + (?)² = 24 × 22 + 23 × 6
=> ? ² = 528 + 138 – 225
=> ? ² = 441
=> ? = 21
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