Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1120 1180 1160 1140 1120 1180 1160 1140 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ? 245 225 275 295 245 225 275 295 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 How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1192 1200 1082 1092 1192 1200 1082 1092 ANSWER DOWNLOAD EXAMIANS APP
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 21 22 23 20 21 22 23 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 25/144 12/5 5/12 144/25 25/144 12/5 5/12 144/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
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