Number System What should come in place of question mark (?)? 8 : 1 1 : : 72: 109 79 99 89 109 79 99 89 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let ? = xTherefore 8 : 11 : 72 : xTherefore x = (11 x 72) / 8 = 99
Number System 68375 + 72848 - ? = 34346 + 49569 59308 57308 None of these 58308 59308 57308 None of these 58308 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 68375 + 72848 - 34346 - 49569 = 141223 - 83915 = 57308
Number System The square root of 3 + “5 is : “5 /2 - 1/”2 “(5/2) + “(1/2) “3 /2 + 1/”2 “3 /2 - 1/”2 “5 /2 - 1/”2 “(5/2) + “(1/2) “3 /2 + 1/”2 “3 /2 - 1/”2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP “(5/2) + “(1/2)
Number System (4300731) - ? = 2535618 1675123 1865113 1765113 1775123 1675123 1865113 1765113 1775123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 179 163 124 146 179 163 124 146 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 148 x 3.75 x 4 = 111 x ? 20 19 24 17 20 19 24 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
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