Number System If the difference between a number and its three fifths is 62, what is the number ? 155 145 175 165 155 145 175 165 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend? 56053 50553 5553 55053 56053 50553 5553 55053 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 120 * 456 + 333 = 55053
Number System In how many different ways can be the letters of the word PENCIL be arranged among themselves ? 860 510 640 720 860 510 640 720 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total six letters are there and hence the number of arrangements = 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System Which is the smallest fractions among the following ? 15/19 11/13 27/31 13/15 15/19 11/13 27/31 13/15 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 ? 103 95 92 99 103 95 92 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System If 5/7 of a number is 145, what is 180% of that number ? 355.4 375.4 365.4 345.4 355.4 375.4 365.4 345.4 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
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