Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: None of these 40 30 20 None of these 40 30 20 ANSWER DOWNLOAD EXAMIANS APP
Number System 93296 - 45874 + 20382 - 56817 = ? 109867 109887 109857 109877 109867 109887 109857 109877 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
Number System The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers? 92 70 Cannot be determined 29 92 70 Cannot be determined 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and units digit by y.Then,(10x + y) - (10y + x) = 639(x - y) = 63x - y = 7Thus, none of the numbers can be determined.
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 89 92 91 90 89 92 91 90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four consecutive numbers be x, (x + 1), (x + 2), (x + 3) thenx + (x + 1) + (x + 2) + (x + 3) = 370= 4x + 6 = 370∴ x = 364/4 = 91∴ third lowest number among them = x + 1= 91 + 1 = 92
Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 94 86 91 97 94 86 91 97 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System Complete the series : 11, 12, 17, 18, 23, 24 ... None of these 14 12 30 None of these 14 12 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP None of these
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