Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 388 296 344 252 388 296 344 252 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 (4 86%of 6500) ÷ 36 =? 977.5 877.5 677.5 777.5 977.5 877.5 677.5 777.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit? 21 33 17 14 21 33 17 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 3 2 7 9 3 2 7 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 17 11 15 13 17 11 15 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System 93296 - 45874 + 20382 - 56817 = ? 109887 109867 109857 109877 109887 109867 109857 109877 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
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