Number System On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is: 13 12 10 11 13 12 10 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Clearly, (2272 - 875) = 1397, is exactly divisible by N.Now. 1397 = 11 * 127The required 3-digit number is 127, the sum of whose digit is 10.
Number System The sum of the two digits of a two-digit number is 15 and the difference between the two digits of the two digit number is 3. What is the product of the two digits of the two digit number ? 36 None of these 54 14 36 None of these 54 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10 x + yWhere x > yAccording to the question,x + y = 15 and x - y = 3Solving both the equations,x = 9, y = 6∴ x x y = 9 x 6 = 54
Number System 384×12×2=? 9216 7487 8465 6123 9216 7487 8465 6123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System ?2704 x ?2209=? 1444 4444 2444 3444 1444 4444 2444 3444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System What is the least number that should be added to 5200 to make it a perfect square ? 129 288 225 275 129 288 225 275 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 333 555 444 666 333 555 444 666 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
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