Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 74 110 93 85 74 110 93 85 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System 64% of 2650+40% 0f 320=? 2096 1247 1578 1824 2096 1247 1578 1824 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 3 5 7 11 3 5 7 11 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 What is the sum of all the prime numbers from 20 to 40? 118 120 119 117 118 120 119 117 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 1 3 4 2 1 3 4 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 343 353 373 363 343 353 373 363 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343