Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 64, 16 60, 20 62, 18 65, 15 64, 16 60, 20 62, 18 65, 15 ANSWER DOWNLOAD EXAMIANS APP
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 2366 3366 4366 1366 2366 3366 4366 1366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
Number System The difference between a two-digit number and the number obtained by interchange the two digits of the number is 27. If the sum of the two digits of the number is 13, what is their product ? 38 39 37 40 38 39 37 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ 10x + y - (10y + x) = 27or 9x - 9y = 27∴ x - y = 3 .......(I)x + y = 13 .......(II)From eqn (I) and (II)x = 8 and y = 5.So the number = 85Therefore, product = 8 x 5 = 40
Number System Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 27 30 36 18 27 30 36 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 82 81 83 84 82 81 83 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? 11 9 10 5 11 9 10 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 221 + 43 = 264/17 = 9 (Remainder)