Number System 16.23 x 12.9 + 17.32 = ? 246.687 236.687 226.687 None of these 246.687 236.687 226.687 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 5.6 2.3 4.5 3.4 5.6 2.3 4.5 3.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
Number System If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ? 2/7 1/9 3/4 7/5 2/7 1/9 3/4 7/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8/6 = 1. 333, 7/5 = 1.4, 18/13 = 1.3849/5 = 1.8 and 7/11 = 0.636Therefore, Descending order is 9/5 > 7/5 > 18/13 > 8/6 > 7/11Therefore Second fraction is 7/5
Number System √9216 + √15376 = ? 227 231 220 224 227 231 220 224 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √9216 + √15376= 96 + 124= 220
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 20 21 22 23 20 21 22 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 3/10 5/4 4/5 3/5 3/10 5/4 4/5 3/5 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
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