Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 16 12 10 14 16 12 10 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System The difference between a number and its three-fifth is 50. What is the number? 100 75 125 None of these 100 75 125 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
Number System In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 9865 2568 5336 6890 9865 2568 5336 6890 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 7 12 8 60 7 12 8 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 18456 20160 17453 19765 18456 20160 17453 19765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 66 70 64 68 66 70 64 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
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