Number System (12)² - (4.4)² - (0.04)² = ? 129.6384 125.6384 131.6384 124.6384 129.6384 125.6384 131.6384 124.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
Number System 3√103820 x 3√274620 = ? 3045 3065 3055 3035 3045 3065 3055 3035 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2520 2510 2508 2504 2520 2510 2508 2504 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System (164 x 175) x ? = 258300 2 9 11 5 2 9 11 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 258300 / 164 x 175 = 9
Number System 450% of a number is 4725. What is 82% of that number ? 861 871 841 851 861 871 841 851 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 1/289 289 289/290 290/289 1/289 289 289/290 290/289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
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