Number System ?125÷5x ?=6265 1452 153 124 1253 1452 153 124 1253 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System (1024—263—233)÷(986—764— 156) =? 6 10 None of these 8 6 10 None of these 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System 5525 ÷ 17 = √? 99225 93025 105625 112225 99225 93025 105625 112225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
Number System The population of a town increases by 15% in the first year and decreases by 25% in the second year. If its current population is 168480 then what will be its population after two years ? 145914 145214 145314 145714 145914 145214 145314 145714 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Population of the town= 168480 x 115/100 x 75/100= 145314
Number System 1256+4813+765=? 6834 6831 6836 6839 6834 6831 6836 6839 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1256+4813+765= 6069+765=6834
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 66 years 68 years 67 years 69 years 66 years 68 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.
EXAMIANS