Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 84 81 83 82 84 81 83 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2725 2875 None of these 2675 2725 2875 None of these 2675 ANSWER DOWNLOAD EXAMIANS APP
Number System If a + b = 16 and ab = 68, what is the value of a² + b² ? 112 120 116 124 112 120 116 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a + b = 16 Therefore, (a+b)² = (16)² = 256 a² + b² + 2ab = 256Therefore, a² + b² = 256 - 2 x 68Therefore, a² + b² = 256 - 136 = 120
Number System 35%of ?=242 542 693 394 487 542 693 394 487 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? 0 5 3 11 0 5 3 11 ANSWER DOWNLOAD EXAMIANS APP
Number System 16.23 x 12.9 + 17.32 = ? None of these 226.687 246.687 236.687 None of these 226.687 246.687 236.687 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
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