The marks obtained by Jyoti in Biology is approximately what percent of the marks obtained by Naveen in English?
Marks obtained by Jyoti in Biology = 25% of 60=15 Marks obtained by Naveen in English =31% of 100 = 31 ∴ Required % = 15/31 × 100 = 48.387 
6 , 21, 116, ?, 4674, 33593
9 16 56 318 2424 25070
...14 15 34 116 460 2325
...Select the number from among the given options that can replace the question mark (?) in the following series.
24, 35, 51, 73, 102, ?
105 107 111 114 ? 127
40 30 20 ? 7.5 4.375
4 7 24 91 462 2763
18 ...
10 59 ? 1169 3503 7001
...12 7 10 25 107 ?
...9134 170 ? 577 1306
...
