Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 555 666 333 444 555 666 333 444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 3/10 3/5 5/4 4/5 3/10 3/5 5/4 4/5 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
Number System Find the least value of 3x + 4y if x2y3 = 6. 10 7 6 3 10 7 6 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 21, 26 20, 25 15, 20 30, 25 21, 26 20, 25 15, 20 30, 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43893 43883 70983 43983 43893 43883 70983 43983 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 689 652 678 692 689 652 678 692 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
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