Number System If 5/7 of a number is 145, what is 180% of that number ? 375.4 365.4 345.4 355.4 375.4 365.4 345.4 355.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System If 35% of a number is 899.5, what is 68% of that number ? 1747.6 2247.6 1847.6 1547.6 1747.6 2247.6 1847.6 1547.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
Number System 728.038 x 54.978 - 72.016 x 85.250 = ? 53900 43900 33900 23900 53900 43900 33900 23900 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900
Number System The average of 7 numbers is 15, that of the first three is 6 and that of the last three is 23. What is the fourth number? 7 15 18 13 7 15 18 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4th No. = (Total of 7 Nos) - (Total of first three + total of last 3) = (15 x 7) - (6 x 3 + 23 x 3) = 105 - (18 + 69) =105 - 87 = 18
Number System The Twenty-First Century will start on January 1 in the year 2001 2101 2000 2100 2001 2101 2000 2100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System The simplest form of 1.5 : 2.5 is : 3 : 5 17 : 19 5 : 7 13 : 11 3 : 5 17 : 19 5 : 7 13 : 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
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