Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 102 88 114 96 102 88 114 96 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
Number System If 35% of a number is 899.5, what is 68% of that number ? 1547.6 2247.6 1847.6 1747.6 1547.6 2247.6 1847.6 1747.6 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 68375 + 72848 - ? = 34346 + 49569 57308 None of these 59308 58308 57308 None of these 59308 58308 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 68375 + 72848 - 34346 - 49569 = 141223 - 83915 = 57308
Number System What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4 38 39 36 37 38 39 36 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37 and 37/7.4 = 5
Number System The sum of the digits of a two-digit number is 12, and the difference between the number and the number obtained by interchanging the two digits of the number is 18. Find the number. 12.5 75 50 25 12.5 75 50 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ x + y = 12 ...........(i)10x + y - (10x + x) = 18or 10x + y - 10y - x = 18or 9x - 9y = 18∴ x - y = 2From (i) and (ii), x = 7, y = 5∴ Number = 75
Number System The Twenty-First Century will start on January 1 in the year 2000 2001 2100 2101 2000 2001 2100 2101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
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