Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 245 188 162 141 245 188 162 141 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
Number System ind the number, difference between number and its 3/5 is 50 123 120 124 125 123 120 124 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System If the difference between a number and its 2/5 is 240, find the number. 360 440 480 400 360 440 480 400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
Number System What is the least number that should be added to 5200 to make it a perfect square ? 129 275 225 288 129 275 225 288 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
Number System 96% of a number is 19584. What is 56% of that number ? 11324 11424 11524 11224 11324 11424 11524 11224 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question.96% of x = 19584= x = 1958 x 100/96 = 20400∴ 56% of 20400= 20400 x 56/100= 11424
Number System 93296 - 45874 + 20382 - 56817 = ? 109857 109867 109877 109887 109857 109867 109877 109887 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887