Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 396 382 378 343 396 382 378 343 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System On converting the following base-2 numeral in base ten, 1101101, we get 106 108 107 109 106 108 107 109 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
Number System 106 * 106 - 94 * 94 = ? 1906 2000 2400 1904 1906 2000 2400 1904 ANSWER DOWNLOAD EXAMIANS APP
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 131 111 101 121 131 111 101 121 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
Number System In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient? 20 0 12 13 20 0 12 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 42 41 39 40 42 41 39 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42