Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 511.49 521.49 491.49 501.49 511.49 521.49 491.49 501.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
Number System The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ? 20 years 17 years 18 years 19 years 20 years 17 years 18 years 19 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the age of the son be x and the age of the father be y.Therefore, x + y = 65 ..........(i)or, 2 x (x + 5) = (y + 5)or, 2x + 10 = y + 5or, 2x - y = 5 ...................(ii)From equations (i) and (ii), x = 20, y = 45
Number System If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 125 25 30 50 125 25 30 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System What is 846 times 323 ? 264258 293798 283298 273258 264258 293798 283298 273258 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258
Number System 7.8 x 4.5 x 4.2/0.14 = ? 1053 1087 1032 1012 1053 1087 1032 1012 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 4.5 x 4.2/0.14 = 1053
Number System 384×12×2=? 7487 9216 8465 6123 7487 9216 8465 6123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216