Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 363 343 353 373 363 343 353 373 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 515 720 660 556 515 720 660 556 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In FRUGAL there ae six difference letters Therefore, 6 ! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 120 260 60 180 120 260 60 180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System 65% of 320+?=686 478 480 479 481 478 480 479 481 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System 732.96 + 405.38 - 604.08 - 105.44 + 222.86 = ? 641.68 651.68 621.68 631.68 641.68 651.68 621.68 631.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1361.20 - 709.52 = 651.68
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 76 77 78 75 76 77 78 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75