Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 118 114 112 116 118 114 112 116 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient? 20 13 12 0 20 13 12 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 25/144 144/25 5/12 12/5 25/144 144/25 5/12 12/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 121 111 101 131 121 111 101 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 10 16 12 14 10 16 12 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System What is 846 times 323 ? 293798 283298 264258 273258 293798 283298 264258 273258 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258
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