Number System In how many different ways can the letters of the word FORMULATE be arranged ? 382880 372880 362880 392880 382880 372880 362880 392880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System (800 / 64) * (1296 / 36) = ? 420 500 None of these 460 420 500 None of these 460 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 987 897 967 977 987 897 967 977 ANSWER DOWNLOAD EXAMIANS APP
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 24 25 26 23 24 25 26 23 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 What is the least number to be subtracted from 696 to make it a perfect square? 71 16 1 20 71 16 1 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.
Number System The difference between a number and its three-fifth is 50. What is the number? 125 75 None of these 100 125 75 None of these 100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
EXAMIANS