Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47619 47649 47719 48619 47619 47649 47719 48619 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 36 56 52 48 36 56 52 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 11/12 17/12 19/12 7/12 11/12 17/12 19/12 7/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 32 35 40 39 32 35 40 39 ANSWER DOWNLOAD EXAMIANS APP
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 6890 5336 9865 2568 6890 5336 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
Number System √(17)² + (17)² + (5)² - 2 = ? 19 17 18 16 19 17 18 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
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