Quantitative Aptitude: Number Series Set 95

Directions(1-5):Find the missing term '?' of the following series.

1. 11,16,32,59,75,?
   68
   70
   61
   76
   84
   Option D
   +5^1,+4^2,+3^3,+2^4,+1^5 ?= 76
   
    



2. 21,120,208,?,351,406
   220
   285
   250
   233
   212
   Option B
   +99,+88,+77,+66,+55 ? = 285
   
    



3. 41,50,75,124,245,?
   401
   395
   414
   330
   440
   Option C
   +3^2 +5^2 +7^2 +11^2 +13^2 ?= 414
   
    



4. 25,-24,49,-48,?,-80
   72
   70
   81
   66
   63
   Option C
   +4*5 -5*6 +6*7 -7*8 +8*9 -9*10 ? = 81
   
    



5. 126,112,93,68,?,-4
   30
   22
   25
   36
   28
   Option D
   -14,-19,-25,-32,-40 ? = 36
   
    



6. 8,27,57,?,158,233
   90
   84
   112
   100
   80
   Option D
   +19,+30,+43,+58,+75 ? = 100
   
    



7. 10,22,?,118,202,310
   60
   44
   49
   58
   50
   Option D
   +12*1 +12*3 +12*5 +12*7 +12*9 ? = 58
   
    



8. 4,29,78,199,368,?
   600
   666
   596
   657
   616
   Option D
   +5^2,+7^2,+11^2,+13^2,+17^2 ? = 657
   
    



9. 240,?,198,170,140,110
   220
   222
   230
   200
   215
   Option B
   -2*9 -3*8 -4*7 -5*6 -6*5 ? = 222
   
    



10. 1,8,-3,24,-15,?
    25
    37
    48
    40
    32
    Option C
    -1^2 +2^2 -3^2 +4^2 -5^2 +6^2 ? = 48