Number System The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ? 6782 8795 5183 7745 6782 8795 5183 7745 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4623 = 6767 x 69 = 4623∴ Required product = 71 x 73 = 5183
Number System The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is: 54 48 84 72 54 48 84 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the second number be x. Then, first number = 2x and third number = 2x/3.2x + x + 2x/3 = 26411x/3 = 264x = 72
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 11 321 121 225 11 321 121 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System Find the least value of 3x + 4y if x2y3 = 6. 6 7 3 10 6 7 3 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform? Rs.85 Rs.90 Rs.100 Rs.80 Rs.85 Rs.90 Rs.100 Rs.80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 388 386 384 391 388 386 384 391 ANSWER DOWNLOAD EXAMIANS APP