Number System The Twenty-First Century will start on January 1 in the year 2001 2000 2101 2100 2001 2000 2101 2100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System What is 432 times 119 ? 52408 51408 50408 53408 52408 51408 50408 53408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
Number System Which is the smallest fractions among the following ? 13/15 27/31 11/13 15/19 13/15 27/31 11/13 15/19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 95 92 99 103 95 92 99 103 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System What is the value of ? in the following equations ? 72/? = ?/50 100 80 40 60 100 80 40 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
Number System If the difference between a number and its three fifths is 62, what is the number ? 175 155 165 145 175 155 165 145 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
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