Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 73/77 93/77 83/77 77/73 73/77 93/77 83/77 77/73 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 204 222 234 210 204 222 234 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 343 363 353 373 343 363 353 373 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System If the of a two-digit number are interchanged, the number so obtained is greater than the original number by 18. If the sum of the two digits of the number is 14. What is the original number ? 62 68 66 64 62 68 66 64 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be 10x + y.No. formed by the interchange of digits = 10y + xWe have y - x = 2 .........(i)y + x = 14 .........(ii)Solving (i) and (ii), we get x = 6, and y = 8∴ the no. is 68.
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 13 9 11 15 13 9 11 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 18456 19765 20160 17453 18456 19765 20160 17453 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
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