Number System A number exceeds by 25 from its 3/8 part. Then the number is? 40 35 32 39 40 35 32 39 ANSWER DOWNLOAD EXAMIANS APP
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 ? 69 years 68 years 66 years 67 years 69 years 68 years 66 years 67 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 7.8% of 12.5 + 2.5% of 161 = ? 5 9 2 12 5 9 2 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 21 23 22 20 21 23 22 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System 384×12×2=? 9216 8465 6123 7487 9216 8465 6123 7487 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System The simplest form of 1.5 : 2.5 is : 3 : 5 13 : 11 5 : 7 17 : 19 3 : 5 13 : 11 5 : 7 17 : 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
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