Question
If the highest common factor of two numbers is 15, then
which of the following may be the least common multiple of the numbers?Solution
LCM must be divisible by HCF. Only 120 is divisible by 15. So, 'possible least common multiple of the numbers is 120'.
2, 12, 36, 80, ?, 252
13, 14, 18, 27, 43, ?
6   55   91   116   132    ?  . Â
4Â Â Â Â Â Â Â Â Â 5.5Â Â Â Â Â Â Â Â Â Â Â 19 .5Â Â Â Â Â Â Â Â Â Â Â Â Â 98.5Â Â Â Â Â Â Â Â Â Â Â Â Â Â 694Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 6251.5...
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
4 7 6
15 ? 21
44 68 60
130 114 106 102 100 ?
The question below is based on the given series I. The series I satisfy a certain pattern, follow the same pattern in series II and answer the questions...
14Â Â Â Â Â 15Â Â Â Â Â Â Â 32Â Â Â Â Â Â 99Â Â Â Â Â Â 400Â Â Â Â Â Â ?
...89Â Â Â Â Â 78Â Â Â Â Â 74Â Â Â Â Â 67Â Â Â Â Â 63Â Â Â Â ?
5 ? 205 823 7405 29623