Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 5084 6084 6184 6048 5084 6084 6184 6048 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the greatest four digit number which leaves respective remainders of 2 and 5 when divided by 15 and 24. None of these 9974 9125 9565 None of these 9974 9125 9565 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Since the difference between the divisors and the respective remainders is not constant, back substitution is the convenient method. None of the given numbers is satisfying the condition.
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 23 22 20 21 23 22 20 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System The sum of the two digits of a two-digit number is 15 and the difference between the two digits of the two digit number is 3. What is the product of the two digits of the two digit number ? None of these 14 36 54 None of these 14 36 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10 x + yWhere x > yAccording to the question,x + y = 15 and x - y = 3Solving both the equations,x = 9, y = 6∴ x x y = 9 x 6 = 54
Number System What is the sum of all the prime numbers from 20 to 40? 117 119 118 120 117 119 118 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System The number of prime factors of (6)10×(7)17×(55)27 61 101 41 91 61 101 41 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
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