Number System Look at this series: 1000, 200, 40, ... What number should come next? 14 24 8 2 14 24 8 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is a simple division series. Each number is divided by 5. Rule = (1st number / 5 = 2nd number) (2nd number / 5 = 3rd number)....Now, (1000 / 5 = 200), (200 / 5 = 40), (40 / 5 = 8)...So answer is a = 8.
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 What should come in the place of question mark (?) in the number series given below? 160 158 159 157 160 158 159 157 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
Number System Complete the series : 11, 12, 17, 18, 23, 24 ... 30 14 None of these 12 30 14 None of these 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP None of these
Number System The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root? 27 8 None of these 32 27 8 None of these 32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,x + 1/x = 34/8 8x2 - 34x + 8 = 0 4x2 - 17x + 4 = 0 (4x - 1)(x - 4) = 0 x = 4required number = 4 * √4 = 4 * 2 = 8.
Number System What will be the next number in the following number series ? 177 182 191 162 177 182 191 162 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
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