Number System (1024—263—233)÷(986—764— 156) =? 8 None of these 10 6 8 None of these 10 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 23 65 34 78 23 65 34 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System What least number should be added to 8602 to make it a perfect square ? 36 47 41 51 36 47 41 51 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 product of two consecutive odd numbers is 4095 What is the greater number ? 69 65 74 61 69 65 74 61 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 Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 75 61 67 65 75 61 67 65 ANSWER DOWNLOAD EXAMIANS APP
Number System 2536+4851—?=3450+313 6784 5243 3624 4567 6784 5243 3624 4567 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624