Number System √207.36 = ? 14.4 16.7 12.3 15.7 14.4 16.7 12.3 15.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √207.36 = √20736/√100 = 144/10 = 14.4
Number System The peresent age of the father and the son are in the ratio of 8:3. After 12 years the ratio of their ages will be 2:1. What is the sum of the present age of the father and the son ? 67 years 69 years 68 years 66 years 67 years 69 years 68 years 66 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the present age of the father be 'x' and that of the son be 'y'. Then x/y = 8/3∴ 3x = 8y Further, x + 12/y + 12 = 2/1 ∴ x + 12 = 2y + 24 ∴ x - 2y = 12 ......(ii)From eqn (i) and (ii), x = 48, y = 18 ∴ sum = 66 yrs.
Number System 3√103823 = ? 41 44 47 52 41 44 47 52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 19/12 7/12 11/12 17/12 19/12 7/12 11/12 17/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6048 6084 6184 5084 6048 6084 6184 5084 ANSWER DOWNLOAD EXAMIANS APP
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 449 576 321 241 449 576 321 241 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
EXAMIANS