Practicing Success
The greatest number of six digits which gives remainder 10 when divided by 48, 60, 54 and 90 is? |
997930 997920 992910 999930 |
997930 |
48, 60, 54, 90 → LCM = 2160 2160 × K + 10 2160 × K = 999999 - 10 2160 × K = 999989
= 999999 - 2069 = 997930 |