Number System I. 3x2-14x + 8 = 0 II. 2y2 - 1 7 y + 36 = 0 if x < y if x >= y if x <= y if x > y if x < y if x >= y if x <= y if x > y ANSWER EXPLANATION DOWNLOAD EXAMIANS APP l. 3x2 - 12x - 2x + 8 = 0or 3x(x - 4) -2 (x -4) = 0∴ x = 4, 2/3ll. 2y2 - 8y - 9y + 36 = 0or 2y (y - 4) -9 (y - 4) = 0or (2y - 9) (y - 4) = 0∴ y = 4, 9/2
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 373 353 363 343 373 353 363 343 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 112 118 114 116 112 118 114 116 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is 56 72 38 44 56 72 38 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 72
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 7 5 9 3 7 5 9 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System What is the sum of all even numbers from 1 to 701? 122550 123850 122500 122850 122550 123850 122500 122850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850