Number System What least number should be added to 8602 to make it a perfect square ? 47 41 51 36 47 41 51 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 344 388 252 296 344 388 252 296 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four numbers be x, x + 2, x + 4 and x + 6.=> x + x + 2 + x + 4 + x + 6 = 36=> 4x + 12 = 36 => x = 6The numbers are 6, 8, 10 and 12.Sum of their squares = 62 + 82 + 102 + 122 = 36 + 64 + 100 + 144 = 344.
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2517 2607 2506 2527 2517 2607 2506 2527 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 2568 6890 5336 9865 2568 6890 5336 9865 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
Number System 480% of 350 + 620% of 275 = ? 2385 5385 4385 3385 2385 5385 4385 3385 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 480 x 350/100 + 620 x 275/100= 1680 + 1705 = 3385
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 118 116 112 114 118 116 112 114 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
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