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

Q1. 2, 4, 9, 19, ?, 62
(a) 36
(b) 32
(c) 26
(d) 39
(e) 35

Q2. 5, 6, 14, 45, 184, ?
(a) 980
(b) 825
(c) 595
(d) 925
(e) 935

Q3. 42, 45, 53, 66, 84, ?
(a) 105
(b) 106
(c) 109
(d) 116
(e) 107

Q4. 8, 4, 4, 8, 32, ?
(a) 144
(b) 244
(c) 256
(d) 266
(e) 196

Q5. 12, 15, 21, 33, ?, 105
(a) 52
(b) 42
(c) 62
(d) 22
(e) 57

Directions (6-10): Find the value of ‘?’

Q10. 2.002 + 7.9 {2.8 – 6.3 (3.6 – 1.5) + 15.6} = ?
(a) 2.002
(b) 4.2845
(c) 40.843
(d) 42.845
(e) None of these

Q11. Tarun got 30% concession of the labeled price of an article and sold it for Rs. 8750 with 25% profit on the price he bought. What was the labeled price?
(a) Rs. 10,000
(b) Rs. 12,000
(c) Rs. 16,000
(e) None of these

Q12. 60 kg of an alloy A is mixed with 100 kg of alloy B. If alloy A has lead and tin in the ratio 3 : 2 and alloy B has tin and copper in the ratio 1 : 4, then the amount of tin in the new alloy is:
(a) 36 kg
(b) 44 kg
(c) 53 kg
(d) 80 kg
(e) None of these

Q13. A and B started a business with initial investments in the ratio 14 : 15 and their annual profits were in the ratio 7 : 6. If A invested the money for 10 months, for how many months did B invest his money?
(a) 6
(b) 7
(c) 8
(d) 9
(e) None of these

Q14. P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?
(a) 5 5/11
(b) 5 6/11
(c) 6 5/11
(d) 6 6/11
(e) None of these

Q15. A man rows to a place 48 km distant and back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:
(a) 1 km/hr
(b) 1.5 km/hr
(c) 1.8 km/hr
(d) 3.5 km/hr
(e) None of these