Number System Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ? 325 425 525 625 325 425 525 625 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
Number System 7589 - ? = 3434 4242 4155 1123 11023 4242 4155 1123 11023 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
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 ? 40 37 38 39 40 37 38 39 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 666 / 6 / 3 = ? 333 111 84 37 333 111 84 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 666 * 1/6 * 1/3 = 37
Number System (12.11)2 + (?)2 = 732.2921 14.2 17.2 24.2 20.2 14.2 17.2 24.2 20.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 72 90 42 69 72 90 42 69 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
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