Number System In how many different ways can the letters of the word CORPORATION be arranged ? 1326400 2326400 3326400 None of these 1326400 2326400 3326400 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
Number System 5358 * 51 = ? 273268 273258 273348 273358 273268 273258 273348 273358 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System Complete the series : 81, 69, 58, 48, 39 ........ 29 30 31 28 29 30 31 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 4.5 2.3 5.6 3.4 4.5 2.3 5.6 3.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
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 ? 18 years 21 years 25 years 15 years 18 years 21 years 25 years 15 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
Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 77/73 83/77 73/77 93/77 77/73 83/77 73/77 93/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
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