Number System {(742)² ÷ 36} ÷ 2 = ? 423.5 421.5 420.5 422.5 423.5 421.5 420.5 422.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 12 16 10 14 12 16 10 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System 3√103820 x 3√274620 = ? 3065 3045 3035 3055 3065 3045 3035 3055 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 ? 2508 2504 2520 2510 2508 2504 2520 2510 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 49.765 47.765 46.765 48.765 49.765 47.765 46.765 48.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 103 95 92 99 103 95 92 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
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