Question
(? + 180 + 13 × 6) ÷ 20 + 3.5 × 512 (1/3)
= 82 What will be come in place of question mark (?)Solution
ATQ, (? + 180 + 13 X 6) ÷ 20 + 3.5 X 512(1/3) = 82 (? + 180 + 13 X 6) ÷ 20 + 3.5 X 8 = 64 (? + 180 + 78) ÷ 20 = 64 - 28 (? + 180 + 78) = 36 X 20 ? = 720 - (180 + 78) ? = 462
Which of the following numbers will replace the question mark (?) in the given series?
69, 70, 74, 83, ?, 124
36, 49, 23, 62, ?, 75
31   48    67    90   ?      150
2342 2223 2090 1943 1782 ?
...14 8 6 4 7 8.5
...If 7             16      x    90       171          292
Then, 2x 2 +  1 + x ...
21, 37, 62, 98, 147, ?
12 78 385 ? 4629 9260
...9 10 6 15 -1 ?
...2, 9, 19, 32, 48, 67, ?