Number System 1260 x 1.45 - 888 x 1.75 = ? 295 256 367 273 295 256 367 273 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1260 x 1.45 - 888 x 1.75= 1827 - 1554 = 273
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 60 180 260 120 60 180 260 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is? Nothing can be said. 1 4 6 Nothing can be said. 1 4 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) – (10y + x) = 54x – y = 6
Number System If 35% of a number is 899.5, what is 68% of that number ? 2247.6 1847.6 1747.6 1547.6 2247.6 1847.6 1747.6 1547.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
Number System What is the least number, which is perfect square but contains 2700 as its factor? 5400 1800 2700 10800 5400 1800 2700 10800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
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 85 93 74 110 85 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
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