Number System ?2704 x ?2209=? 1444 3444 2444 4444 1444 3444 2444 4444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 485 495 480 490 485 495 480 490 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6048 6084 6184 5084 6048 6084 6184 5084 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 76 74 75 73 76 74 75 73 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 2 9 5 6 2 9 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System If a number is subtracted from its square we get 272. Find the number? 22 17 14 24 22 17 14 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17