Number System The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ? 225 245 275 295 225 245 275 295 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x.Therefore, 72% of x - 49% of x = 575Therefore, (72 - 49)% of x = 575Therefore, 9% of x = 575/23 x 9 = 225
Number System If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 7/9 1/3 5/4 11/13 7/9 1/3 5/4 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
Number System The square root of 0.0081 is: 0.9 0.009 0.09 0.91 0.9 0.009 0.09 0.91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System 7.8% of 12.5 + 2.5% of 161 = ? 2 12 9 5 2 12 9 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5
Number System What is the least number that should be added to 5200 to make it a perfect square ? 275 129 225 288 275 129 225 288 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 Find the number of factors of 300 excluding 1 and itself. 18 16 14 15 18 16 14 15 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS