Number System What is the least number, which is perfect square but contains 2700 as its factor? 1800 2700 5400 10800 1800 2700 5400 10800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 30 20 40 None of these 30 20 40 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of three consecutive numbers is 87. The greatest among these three number is: 29 28 26 30 29 28 26 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.
Number System If one-seventh of a number is 55 then 40% of that number = ? 147 171 154 163 147 171 154 163 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System What will be the next number in the following number series ? 191 177 162 182 191 177 162 182 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System Pick the wrong number from the given number series. 3,4,10,33,135,685,4116 135 10 685 33 135 10 685 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116
EXAMIANS