Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 146 124 163 179 146 124 163 179 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? 232 225 245 220 232 225 245 220 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
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 110 74 93 85 110 74 93 85 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.784 8.484 8.684 8.584 8.784 8.484 8.684 8.584 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 3366 4366 1366 2366 3366 4366 1366 2366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
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