NUMBER SERIES:Quantitative Aptitude

1.79, 152, 88, 142, 99, 130 ?
1.112
2.121
3.101
4.87
5.None of these

2.17, 22, 41, ?, 373

1.120
2.96
3.82
4.110
5.None of these

3.206, 219, 240, 269, ?

1.319
2.283
3.306
4.354
5.None of these

4.5, 20, 130, 1155 , ?

1.13545
2.10656
3.11565
4.12685
5.None of these

5.86, 46, 32,?, 36.5

1.39
2.30
3.31
4.29
5.None of these

6.2, 2, 6, 30, 244, ?

1.987
2.2125
3.1280
4.3055
5.None of these

7.650, 1302, ?, 5256, 10640

1.2612
2.3212
3.2515
4.2416
5.None of these

8.97, 99, ?, 142.5, 27.625, 148.125

1.76
2.45.5
3.102.5
4.59
5.None of these

9.12, 6.6. 9.96, ?, 33.55

1.17.96
2.21.45
3.18.75
4.20.05
5.None of these

10.?, 167, 189, 222, 266, 321

1.117
2.176
3.156
4.101
5.None of these

ANSWERS 

1.Answer – 1.112
Explanation :
79+9 =88        152-10 = 142
88+11 = 99     142-12 = 130
99+13 = 112

2.Answer – 4.110

Explanation :
17+2^2+1 = 22
22+4^2+3 = 41
41+8^2+5=110
110+16^2+7 = 373

3.Answer – 3.306

Explanation :
206+13 = 219
219+21(13+8) = 240
240+ 29(13+16) = 269
269+37(13+24) = 306

4.Answer – 4.12685

Explanation :
5*5-5 = 20
20*7-10 = 130
130*9-15 = 1155
1155*11 – 20 = 12685

5.Answer – 3.31

Explanation :
86*0.5+(3*1) = 46
46*0.5+(3*3) = 32
32*0.5+(3*5) = 31
31*0.5+(3*7) = 36.5

6.Answer – 4.3055

Explanation :
2*0.5*1+1 = 2
2*1*2+2 = 6
6*1.5*3+3 = 30
30*2*4+4 = 244
244*2.5*5+5 =3055

7.Answer – 1.2612

Explanation :
650/0.5 +2 = 1302
1302/0.5+8 = 2612
2612/0.5+32 = 5256
5256/0.5+128 = 10640

8.Answer – 2.45.5

Explanation :
97*1+2 = 99
99/2-4 = 45.5
45.5*3+6 = 142.5
142.5/4-8 = 27.625
27.625*5+10 = 148.125

9.Answer – 1.17.96

Explanation :
12*0.3+3 = 6.6
6.6*0.6+6 = 9.96
9.96*0.9+9 = 17.96
17.96*1.2+12 = 33.55

10.Answer – 3.156

Explanation :
156+11 = 167
167+22 =189
189+33 =222
222+44 = 266
266+55 = 321