What will come in place of the ? in the following series? 117, 98, 80, 64, ?, 42

Explanation

The given number series is as follows: 117, 98, 80, 64, ?, 42 -19, -18, -16, -13, -9 +1, +2, +3, +4 ∴ ? = 64 – 13 ? = 51 ### Extracted images (206): - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p10_1.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p10_2.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p11_1.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p11_2.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p12_1.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p12_2.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p13_1.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p13_2.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p14_1.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p14_2.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p15_1.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p15_2.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p16_1.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p16_2.jpg` - `parsed-documents://20260607-173147-591793/chunk-10_p451-500.pdf/images/img_p17_1.jpg` -…