Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 55 120 30 None of these 55 120 30 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System 0.333 .... × 0.444 .... is equal to 0.148148148 .... 0.777 .... 1.333 .... 0.121212 .... 0.148148148 .... 0.777 .... 1.333 .... 0.121212 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 89 35 91 75 89 35 91 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 99 92 103 95 99 92 103 95 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is? 1 Nothing can be said. 6 4 1 Nothing can be said. 6 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) – (10y + x) = 54x – y = 6
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 2/5 4/5 1/5 3/5 2/5 4/5 1/5 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
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