Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 373 353 363 343 373 353 363 343 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 82 81 83 84 82 81 83 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 9 5 3 7 9 5 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System ?125÷5x ?=6265 153 1452 1253 124 153 1452 1253 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System If 5/7 of a number is 145, what is 180% of that number ? 375.4 355.4 345.4 365.4 375.4 355.4 345.4 365.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
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? 5/4 7/9 1/3 11/13 5/4 7/9 1/3 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4