Find a positive number which when increased by 26 is equal to 120 times the reciprocal of the number?
let the number be x x + 26 = 120 ×1/x x + 26 = 120/x x² + 26x = 120 x² + 26x - 120 = 0 x² - 4x + 30x - 120 = 0 x (x-4) + 30(x-4) (x+30) (x-4) = 0 x = 4, -30 (as positive integer)
366 276 196 126 66 ?
In each of the following questions, a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have to com...
12 156 256 320 356 ?
...16 9 ? 13.25 22.625 36.3125
...3 4.5 6.75 10.125 15.1875 22.78125 ?
...542 541 532 507 458 ?
...18 19 28 53 102 ?
5, 11, 19, 29, 41, ?
60 61 126 387 ? 7845
5184, ?, 432, 144, 36, 12
