Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 13/25 3/5 12/25 6/7 13/25 3/5 12/25 6/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 27.54 28.56 30.52 29.81 27.54 28.56 30.52 29.81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 99 92 103 95 99 92 103 95 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System 63.602 + 153.756 + 94.754 - 84.321 - 122.204 = ? 141.587 142.587 140.587 143.587 141.587 142.587 140.587 143.587 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 312.112 - 170.525 = 141.587
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 7 4 1 9 7 4 1 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System What is the difference between the local value of 7 and 5 in the number 2574? 570 403 430 413 570 403 430 413 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
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