SBI PO Expected Questions In Quantitative Aptitude

Directions(1-5): What will come in place of the question mark(?) in the following number series?

1. 4 5.8 9.4 16.6 ? 59.8 (1)
(1) 31

(2) 32

(3) 29

(4) 33

(5) 34

2. 7 6 10 27 104 ? (2)

(1) 516

(2) 515

(3) 525

(4) 535

(5) 540

3. 139 135 128 116 97 ? (3)

(1) 65

(2) 68

(3) 69

(4) 67

(5) 80

4. 10 10 16 31 70 ? (4)
(1) 156

(2) 150

(3) 180

(4) 184

(5) 148

5. 9 4 3 3 4 ? (5)
(1) 9.5

(2) 8.5

(3) 4.5

(4) 6.5

(5) 7.5