Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 515 556 720 660 515 556 720 660 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In FRUGAL there ae six difference letters Therefore, 6 ! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System 124, 235, 447, 760, 1174, ? 1489 1689 1589 1389 1489 1689 1589 1389 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP +111, +212, +313, +414
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 ? 3/4 2/7 7/5 1/9 3/4 2/7 7/5 1/9 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 What least number should be added to 8602 to make it a perfect square ? 36 51 47 41 36 51 47 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 15 7 1 19 15 7 1 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 689 692 678 652 689 692 678 652 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
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