Number System ind the number, difference between number and its 3/5 is 50 124 123 125 120 124 123 125 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 64 70 68 66 64 70 68 66 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System What is the difference between the local value of 7 and 5 in the number 2574? 430 570 403 413 430 570 403 413 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 24 25 23 26 24 25 23 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System 3√68921 = ? 41 21 51 31 41 21 51 31 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
Number System 1260 x 1.45 - 888 x 1.75 = ? 273 256 367 295 273 256 367 295 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1260 x 1.45 - 888 x 1.75= 1827 - 1554 = 273
EXAMIANS