Number System A certain number when divided by 39 leaves a remainder 20, what is the remainder when the same number is divided by 13? 5 11 7 0 5 11 7 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39 + 20 = 59/13 = 7 (Remainder)
Number System The product of two consecutive odd numbers is 4095 What is the greater number ? 69 61 65 74 69 61 65 74 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the two consecutive odd numbers be 2x - 1 and 2x + 1.(2x - 1) (2x - 1) = 4095= 4x² - 1 = 4095= 4x² = 4096= x² = 1024∴ x = 32∴ The numbers are 63 and 65.Greater number = 65
Number System What is 25/2% of 482 times of 183 ? 11025.75 12025.50 12025.75 11050.75 11025.75 12025.50 12025.75 11050.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25/2% of [482 x 183]= 25/2% of 88206= 25/2 x 88206 / 100= 88206 / 8= 11025.75
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 99 92 95 103 99 92 95 103 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System By how much is 3/5th of 875 greater than 2/3 of 333? 199 303 233 362 199 303 233 362 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/5th of 875 is greater than 2/3rd of 333= 3/5 * 875 - 2/3 * 333= 525 - 222 = 303.
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 7 9 8 10 7 9 8 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
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