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# free Online Test Number Series Questions and Answers Quiz 5

Description: Free Online Test questions and answers on Number Series with explanation for various competitive exams,entrance test. Solved examples with detailed answer test 5

Exercise

 "To err is human; to forgive, divine." - Alexander Pope
1 . Directions (1-5):What will come in place of the question mark(?) in the following number series ?

$15\,\,\, 21\,\,\, 39\,\,\, 77\,\,\, 143\,\,\, ?$
 243 240 253 245
2 . $33\,\,\, 39\,\,\, 57\,\,\, 87\,\,\, 129\,\,\, ?$
 183 177 189 199
3 . $15\,\,\, 19\,\,\, 83\,\,\, 119\,\,\, 631\,\,\, ?$
 731 693 712 683
4 . $19\,\,\, 26\,\,\, 40\,\,\, 68\,\,\, 124\,\,\, ?$
 246 238 236 256
5 . $43\,\,\, 69\,\,\, 58\,\,\, 84\,\,\, 73\,\,\, ?$
 62 98 109 None
6 . Directions (6-10):What should come in place of the question mark (?) in the following number series?

$15\,\,\, 18\,\,\, 16\,\,\, 19\,\,\, 17\,\,\, 20\,\,\, ?$
 23 22 16 18
7 . $1050\,\,\, 420\,\,\, 168\,\,\, 67.2\,\,\, 26.88\,\,\, 10.752\,\,\, ?$
 4.3008 6.5038 5.6002 4.4015
8 . $0\,\,\, 6\,\,\, 24\,\,\, 60\,\,\, 120\,\,\, 210\,\,\, ?$
9 . $32\,\,\, 49\,\,\, 83\,\,\, 151\,\,\, 287\,\,\, 559\,\,\, ?$
10 . $462\,\,\, 552\,\,\, 650\,\,\, 756\,\,\, 870\,\,\, 992\,\,\, ?$