Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 62, 18 60, 20 65, 15 64, 16 62, 18 60, 20 65, 15 64, 16 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 ? 62 66 68 64 62 66 68 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 On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is: 10 11 12 13 10 11 12 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Clearly, (2272 - 875) = 1397, is exactly divisible by N.Now. 1397 = 11 * 127The required 3-digit number is 127, the sum of whose digit is 10.
Number System The simplest form of 1.5 : 2.5 is : 13 : 11 3 : 5 5 : 7 17 : 19 13 : 11 3 : 5 5 : 7 17 : 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 180 60 120 260 180 60 120 260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System 0.333 .... × 0.444 .... is equal to 0.121212 .... 0.777 .... 1.333 .... 0.148148148 .... 0.121212 .... 0.777 .... 1.333 .... 0.148148148 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
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