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 93 85 74 110 93 85 74 110 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System {(742)² ÷ 36} ÷ 2 = ? 420.5 423.5 421.5 422.5 420.5 423.5 421.5 422.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
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 ? 4 2 1 3 4 2 1 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System What is the sum of all the composite numbers up to 20? 130 131 132 128 130 131 132 128 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System The difference between a number and its three-fifth is 50. What is the number? 125 None of these 75 100 125 None of these 75 100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
Number System 5525 ÷ 17 = √? 99225 112225 105625 93025 99225 112225 105625 93025 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
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