Number System The simplest form of 1.5 : 2.5 is : 5 : 7 3 : 5 13 : 11 17 : 19 5 : 7 3 : 5 13 : 11 17 : 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System 217 * 217 + 183 * 183 = ? 81268 80578 80698 79698 81268 80578 80698 79698 ANSWER DOWNLOAD EXAMIANS APP
Number System In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ? 18 28 22 24 18 28 22 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ y = 3x + 2 .......(i)And, x + y = 10 ......(ii)From (i) and (ii), x = 2, y = 8∴ Number = 28
Number System 486+32×25—59=? 596 528 567 582 596 528 567 582 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is: 46 42 26 24 46 42 26 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x. Then, unit's digit = x + 2. Number = 10x + (x + 2) = 11x + 2 Sum of digits = x + (x + 2) = 2x + 2 (11x + 2)(2x + 2) = 144 2x2 + 26x - 140 = 0 (x - 2)(11x + 35) = 0 x = 2Hence, required number = 11x + 2 = 24.
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 9 2 3 7 9 2 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
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