Number System 106 * 106 - 94 * 94 = ? 1906 1904 2000 2400 1906 1904 2000 2400 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 9 2 7 3 9 2 7 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 84 83 82 81 84 83 82 81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient? 20 12 13 0 20 12 13 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
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 ? 37 38 39 40 37 38 39 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 Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 386 391 384 388 386 391 384 388 ANSWER DOWNLOAD EXAMIANS APP
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