Number System (1024—263—233)÷(986—764— 156) =? 10 6 8 None of these 10 6 8 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System 8988 / 8 / 4 = ? 280.875 2247 4494 561.75 280.875 2247 4494 561.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BAT CAR CAT BED BAT CAR CAT BED ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System (12.11)2 + (?)2 = 732.2921 20.2 14.2 17.2 24.2 20.2 14.2 17.2 24.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 3/5 3/10 4/5 5/4 3/5 3/10 4/5 5/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/x - x = 9/20 20x2 + 9x - 20 = 0 20x2 + 25x - 16x - 20 = 0 5x(4x + 5) -4(4x + 5) = 0(4x + 5)(5x - 4) = 0x = 4/5
Number System If (74)² is added to the square of a number the answer so obtained is 7780. What is the number ? 50 49 47 48 50 49 47 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.or, x² + (74)² = 7780or, x² = 7780 - 5476 = 2304∴ x = 48
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