Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2504 2508 2510 2520 2504 2508 2510 2520 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System 64% of 2650+40% 0f 320=? 1578 1824 1247 2096 1578 1824 1247 2096 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 144/25 5/12 12/5 25/144 144/25 5/12 12/5 25/144 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System Complete the series : 81, 69, 58, 48, 39 ........ 31 29 28 30 31 29 28 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System The sum of the present age of a father and a son is 60 years. Five years before, the age of the father was four times that of son. What is the present age of the son ? 21 years 15 years 18 years 25 years 21 years 15 years 18 years 25 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the father's age be x and son's age yTherefore, x + y = 60 ....................(i)Five years back, (x - 5) = 4 (y - 5)x - 4y = - 15 ......................(2)Solving (1) and (2), x = 45 and y = 15
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