Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 21 24 36 27 21 24 36 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 1 0 4 2 1 0 4 2 ANSWER DOWNLOAD EXAMIANS APP
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 121 11 225 321 121 11 225 321 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System The difference between 68% of a number and 35% of the same number is 1216. What is 28% of the number ? 1027.75 1031.75 1037.75 1043.75 1027.75 1031.75 1037.75 1043.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore 68x / 100 - 35x / 100 = 1216 Therefore x = 1216 x 100 / 33Therefore 28% of x = 28x / 100 = 1216 x 100 / 33 x 28 / 100= 1216 x 100 x 28 / 33 x 1/100 = 1031.75
Number System 106 * 106 - 94 * 94 = ? 1906 1904 2000 2400 1906 1904 2000 2400 ANSWER DOWNLOAD EXAMIANS APP
Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 511.49 491.49 521.49 501.49 511.49 491.49 521.49 501.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
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