Question

If the ratio of two member is 5:9 and
the Hoc.f and Loc.m of these numbers are
8 and 360 respectively, then the seem
of the reciprocals of the numberes is
equal to
(a) 6/ 240
(b) 7/180
(c) 5/120
(d) 14/ 180​

Answer 1

Answer:

. The sum of the 10 numbers from 501 to 510 is 5055. 501 + 502 +...+ 509 + 510 = 5055 What is the sum of the 10 numbers 500 + 501 + 502 +...+ 508 + 509? 

 (A) 5055 - 2 (B) 5055 - 10 (C) 5055 + 500 (D) 5055 - 510