Number System If the difference between a number and its three fifths is 62, what is the number ? 145 175 165 155 145 175 165 155 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 3360 6460 3260 2360 3360 6460 3260 2360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 29.81 27.54 28.56 30.52 29.81 27.54 28.56 30.52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
Number System What is the value of ? in the following equations ? 72/? = ?/50 40 100 60 80 40 100 60 80 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 Find the greatest four digit number which leaves respective remainders of 2 and 5 when divided by 15 and 24. 9125 9974 9565 None of these 9125 9974 9565 None of these 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 The product of two successive numbers is 4556. Which of the following is the larger of the two numbers? 68 63 78 67 68 63 78 67 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS