Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2875 2725 2675 None of these 2875 2725 2675 None of these ANSWER DOWNLOAD EXAMIANS APP
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? 32 None of these 27 8 32 None of these 27 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 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 170 168 164 162 170 168 164 162 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 If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 77/73 83/77 93/77 73/77 77/73 83/77 93/77 73/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System If the difference between a number and its three fifths is 62, what is the number ? 175 155 165 145 175 155 165 145 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
EXAMIANS