Question
What is India's rank in the Environmental Performance
Index (EPI)?Solution
 According to the latest Environmental Performance Index (EPI), India ranks 178th among the world's countries, indicating environmental challenges.
Select the number from among the given options that can replace the question mark (?) in the following series.
2, 6, 12, 20, ?, ?
92,  51,  21,  13.5,  x,  4.25
find the value of (10x + x -5)?
504 625 769 938 1134 ?
...5 4 29 24 185 ?
102, 246, 442, 698, 1022, ?
Find the odd one out: 11, 13, 17, 19, 21
Find sum of first n terms: 2 + 6 + 12 + 20 + 30 + …
D irection: Which of the following will replace ‘?’ in the following series
10,14,’?’,199, 352, 530
...If 2.5 3.5 x 30 124 625
Then, x ² - 1 - 2x = ?
...6   16  ?     244  1,245  7,506  52,591