Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2504 2520 2508 2510 2504 2520 2508 2510 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System What is the least number to be subtracted from 696 to make it a perfect square? 1 16 71 20 1 16 71 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 In how many different ways can the letters of word "SENTENCE" be arranged ? 3360 3260 2360 6460 3360 3260 2360 6460 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System The sum of two numbers is 25 and their difference is 13. Find their product. 104 325 114 315 104 325 114 315 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114
Number System What is the difference between the local values of 3 in the number 53403? 3030 2997 3003 0 3030 2997 3003 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System What will be the next number in the following number series ? 177 191 162 182 177 191 162 182 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
EXAMIANS