Number System 2536+4851—?=3450+313 6784 3624 4567 5243 6784 3624 4567 5243 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System 4.78% of 1255 + 3.24% of 440=0.5% of ? 14849 11849 12849 13849 14849 11849 12849 13849 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849
Number System The sum of three consecutive numbers is 87. The greatest among these three number is: 30 28 26 29 30 28 26 29 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 (3² x 4² x 5) ÷ 36 = (?)² - 80 10 14 16 12 10 14 16 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
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: 11 3 5 9 11 3 5 9 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.
EXAMIANS