Number System 3√103823 = ? 47 41 52 44 47 41 52 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ? 24 28 18 22 24 28 18 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ y = 3x + 2 .......(i)And, x + y = 10 ......(ii)From (i) and (ii), x = 2, y = 8∴ Number = 28
Number System The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ? 3289 2476 1760 4589 3289 2476 1760 4589 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E/5 = 42∴ C = 42, ∴ B = 40, ∴ D = 44∴ B x D = 40 x 44 = 1760
Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 162 170 168 164 162 170 168 164 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
Number System ?2704 x ?2209=? 3444 4444 2444 1444 3444 4444 2444 1444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System {(742)² ÷ 36} ÷ 2 = ? 422.5 420.5 421.5 423.5 422.5 420.5 421.5 423.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
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