Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 20 15 18 30 20 15 18 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
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 4589 1760 2476 3289 4589 1760 2476 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 What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2607 2506 2527 2517 2607 2506 2527 2517 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number? 360 240 270 295 360 240 270 295 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.
Number System Look at this series: 1000, 200, 40, ... What number should come next? 2 24 8 14 2 24 8 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is a simple division series. Each number is divided by 5. Rule = (1st number / 5 = 2nd number) (2nd number / 5 = 3rd number)....Now, (1000 / 5 = 200), (200 / 5 = 40), (40 / 5 = 8)...So answer is a = 8.
Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 162 164 168 170 162 164 168 170 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
EXAMIANS