Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 7 60 12 8 7 60 12 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 7 3 11 5 7 3 11 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System 732.96 + 405.38 - 604.08 - 105.44 + 222.86 = ? 641.68 651.68 631.68 621.68 641.68 651.68 631.68 621.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1361.20 - 709.52 = 651.68
Number System 65% of 320+?=686 481 478 479 480 481 478 479 480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 353 343 363 373 353 343 363 373 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 5 9 6 2 5 9 6 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2