Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 69 72 90 42 69 72 90 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System 480% of 350 + 620% of 275 = ? 2385 4385 5385 3385 2385 4385 5385 3385 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 480 x 350/100 + 620 x 275/100= 1680 + 1705 = 3385
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 75 35 91 89 75 35 91 89 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 65 69 74 61 65 69 74 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the two consecutive odd numbers be 2x - 1 and 2x + 1.(2x - 1) (2x - 1) = 4095= 4x² - 1 = 4095= 4x² = 4096= x² = 1024∴ x = 32∴ The numbers are 63 and 65.Greater number = 65
Number System {3√4913}² = ? 121 225 289 333 121 225 289 333 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
Number System If 5/7 of a number is 145, what is 180% of that number ? 345.4 375.4 365.4 355.4 345.4 375.4 365.4 355.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
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