Number System 8988 / 8 / 4 = ? 280.875 4494 561.75 2247 280.875 4494 561.75 2247 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 378 396 382 343 378 396 382 343 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root? 27 32 None of these 8 27 32 None of these 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,x + 1/x = 34/8 8x2 - 34x + 8 = 0 4x2 - 17x + 4 = 0 (4x - 1)(x - 4) = 0 x = 4required number = 4 * √4 = 4 * 2 = 8.
Number System If the difference between a number and its three fifths is 62, what is the number ? 175 145 165 155 175 145 165 155 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System Find the number which multiplied by 15 is increased by 196. 28 14 20 26 28 14 20 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 11, 6 12, 7 10, 5 12, 9 11, 6 12, 7 10, 5 12, 9 ANSWER DOWNLOAD EXAMIANS APP