Number System A certain number of two digits is three times the sum of its digits. If 45 be added to it, the digits are reversed. The number is: 24 30 22 27 24 30 22 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 27
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 5 6 2 9 5 6 2 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 6093 6893 693 6993 6093 6893 693 6993 ANSWER DOWNLOAD EXAMIANS APP
Number System If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 50 30 25 125 50 30 25 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System 7.8 x 4.5 x 4.2/0.14 = ? 1053 1087 1012 1032 1053 1087 1012 1032 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 4.5 x 4.2/0.14 = 1053
Number System A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: 9 11 3 5 9 11 3 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and unit's digit be y. Then, number 10x + y.Number obtained by interchanging the digits = 10y + x.(10x + y) + (10y + x) = 11(x + y)which is divisible by 11.
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