Number System What is the sum of all the prime numbers from 20 to 40? 118 119 117 120 118 119 117 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 20 30 15 18 20 30 15 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
Number System Twenty times a positive integer is less than its square by 96. What is the integer? Cannot be determined 30 20 24 Cannot be determined 30 20 24 ANSWER DOWNLOAD EXAMIANS APP
Number System 4500 * ? = 3375 2/5 3/5 1/4 3/4 2/5 3/5 1/4 3/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System (444 x 44 x 4) ÷ 40 ? 2053.6 2153.6 1953.6 1853.6 2053.6 2153.6 1953.6 1853.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
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 5976 6000 5800 6080 5976 6000 5800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
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