Number System 5358 * 51 = ? 273348 273358 273258 273268 273348 273358 273258 273268 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System (444 x 44 x 4) ÷ 40 ? 1853.6 1953.6 2053.6 2153.6 1853.6 1953.6 2053.6 2153.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 111 131 121 101 111 131 121 101 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 The sum of three consecutive multiples of 3 is 72. What is the largest number? 21 27 36 24 21 27 36 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 83 84 81 82 83 84 81 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System √343 = ? 21 19 18 20 21 19 18 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
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