Number System Find the number which multiplied by 15 is increased by 196. 20 28 14 26 20 28 14 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
Number System 4500 * ? = 3375 3/5 3/4 1/4 2/5 3/5 3/4 1/4 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 47 44 46 45 47 44 46 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 234 204 222 210 234 204 222 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 60, 20 64, 16 65, 15 62, 18 60, 20 64, 16 65, 15 62, 18 ANSWER DOWNLOAD EXAMIANS APP
Number System 20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ? 6080 6000 5976 5800 6080 6000 5976 5800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
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