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Ques:- Find out the wrong number in the series:
5, 15, 30, 135, 405, 1215, 3645
5, 15, 30, 135, 405, 1215, 3645
A. 15
B. 30
C. 405
D. 3645
Ques:- The LCM of two numbers is 2079 and their HCF is 27. If oneof the numbers is 189, find the other number.
A. 248
B. 128
C. 297
D. 336
E. None of these