Number System Find the least value of 3x + 4y if x2y3 = 6. 10 7 6 3 10 7 6 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System The sum of three consecutive numbers is 87. The greatest among these three number is: 29 30 26 28 29 30 26 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.
Number System Find the number of factors of 300 excluding 1 and itself. 18 15 16 14 18 15 16 14 ANSWER DOWNLOAD EXAMIANS APP
Number System If the of a two-digit number are interchanged, the number so obtained is greater than the original number by 18. If the sum of the two digits of the number is 14. What is the original number ? 68 66 62 64 68 66 62 64 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be 10x + y.No. formed by the interchange of digits = 10y + xWe have y - x = 2 .........(i)y + x = 14 .........(ii)Solving (i) and (ii), we get x = 6, and y = 8∴ the no. is 68.
Number System If 5/7 of a number is 145, what is 180% of that number ? 375.4 355.4 365.4 345.4 375.4 355.4 365.4 345.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 4 2 0 1 4 2 0 1 ANSWER DOWNLOAD EXAMIANS APP
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