Number System Simplify the 121 * 175 + 363 * 275 316600 363000 328100 None of these 316600 363000 328100 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 1 7 9 4 1 7 9 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System If the sum of 4 consecutive odd numbers is 104, what will be the third number if they are arranged in ascending order ? 27 28 30 29 27 28 30 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive odd number be x, x + 2, x + 4 and x + 6 respectively.According to the question x + x + 2 + x + 4 + x + 6 = 104 = 4x + 12 = 104 = 4x = 104 - 12 = 92∴ x = 92/4 = 23∴ Required number = x + 4= 23 + 4 = 27
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 121 11 321 225 121 11 321 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 3892 2883 6489 2893 3892 2883 6489 2893 ANSWER DOWNLOAD EXAMIANS APP
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1160 1180 1120 1140 1160 1180 1120 1140 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
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