Number System If the difference between a number and its three fifths is 62, what is the number ? 175 165 155 145 175 165 155 145 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System What is the least number, which is perfect square but contains 2700 as its factor? 2700 1800 10800 5400 2700 1800 10800 5400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers? 29 Cannot be determined 92 70 29 Cannot be determined 92 70 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and units digit by y.Then,(10x + y) - (10y + x) = 639(x - y) = 63x - y = 7Thus, none of the numbers can be determined.
Number System What is the sum of all even numbers from 1 to 701? 122500 122550 122850 123850 122500 122550 122850 123850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
Number System What number should replace both the question marks (?) in the following question ? 84 85 83 82 84 85 83 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
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