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The Government of India observes 16 March as National Vaccination Day to acknowledge and appreciate the hard work of frontline health care workers to ensure the vaccination of every child.
462 478 510 558 ?
...7200 7200 3600 1200 300 ?
...147 138 120 93 ? 12
...1 1 8 4 27 9 ?
...Four terms are in proportion. The first, second and fourth terms are 4, 22, and 33. Find the third term.
2556 636 156 ? 6
If 4 x 4 7 15 38.5
Then, ( x + 1) ( x - 1) = ?
...10 6 5 8.5 16 ?
...25 34 61 106 169 ?
...37 59 103 191 ? 719