Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 1/5 2/5 3/5 4/5 1/5 2/5 3/5 4/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
Number System ?2704 x ?2209=? 4444 3444 2444 1444 4444 3444 2444 1444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: 24 42 81 18 24 42 81 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's and unit's digit be x and 8/x respectively. Then, (10x + 8/x) + 18 = 10 * 8/x + x 9x2 + 18x - 72 = 0 x2 + 2x - 8 = 0 (x + 4)(x - 2) = 0 x = 2 So, ten's digit = 2 and unit's digit = 4. Hence, required number = 24.
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 60 120 180 260 60 120 180 260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 32 None 18 24 32 None 18 24 ANSWER DOWNLOAD EXAMIANS APP
Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 83/77 77/73 93/77 73/77 83/77 77/73 93/77 73/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
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