Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6048 5084 6184 6084 6048 5084 6184 6084 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? 220 225 245 232 220 225 245 232 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
Number System 0.333 .... × 0.444 .... is equal to 0.121212 .... 0.148148148 .... 0.777 .... 1.333 .... 0.121212 .... 0.148148148 .... 0.777 .... 1.333 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
Number System What least number must be subtracted from 2641 so that the remainder left, when divided by 10,15 and 25, is 7 in each case ? 87 94 84 81 87 94 84 81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP LCM of 10, 15, 25 = 150When we drive 2641 by 150 the remainder is 91.But the remainder should be 7.So, the number to be subtracted from 2641 is 91 - 7 = 84.
Number System 36% of 850+? % of 592 = 750 12.5 50 75 25 12.5 50 75 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 1/289 289/290 289 290/289 1/289 289/290 289 290/289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
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