Number System If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 1/3 7/9 11/13 5/4 1/3 7/9 11/13 5/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
Number System {3√4913}² = ? 121 225 289 333 121 225 289 333 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 179 163 146 124 179 163 146 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System The square root of 3 + “5 is : “(5/2) + “(1/2) “3 /2 - 1/”2 “5 /2 - 1/”2 “3 /2 + 1/”2 “(5/2) + “(1/2) “3 /2 - 1/”2 “5 /2 - 1/”2 “3 /2 + 1/”2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP “(5/2) + “(1/2)
Number System 728.038 x 54.978 - 72.016 x 85.250 = ? 23900 53900 43900 33900 23900 53900 43900 33900 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900
Number System What is the remainder when 263251 is divided by 9? 3 8 6 1 3 8 6 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP If the sum of the digits of a number is divisible by 9, the number will be divisible by 9.2 + 6 + 3 + 2 + 5 + 1 = 19The nearest multiple of 9 is 18.19 - 18 = 1.