Directions (1-7): What should come in place of the question mark (?) in the following number series?

Q1. 980 484 236 112 50 ? 3.5
(a) 25
(b) 17
(c) 21
(d) 29
(e) None of these

Q2.  8 9 20 63 256 1285 ?
(a) 6430
(b) 7450
(c) 7716
(d) 7746
(e) None of these

Q3.  1015 508 255 129 66.5 ? 20.875
(a) 34.50
(b) 35
(c) 35.30
(d) 35.75
(e) None of these

Q4.  12 12 18 36 90 270 ?
(a) 945
(b) 810
(c) 1080
(d) 1215
(e) None of these

Q5. 4, 16, 52, 160, ?
(a) 472
(b) 474
(c) 482
(d) 468
(e) 484

Q6. 9, 10, 24, 81, ?
(a) 340
(b) 320
(c) 345
(d) 360
(e) 348

Q7. 11, 10, 18, 51, ?
(a) 198
(b) 201
(c) 200
(d) 204
(e) 205

Directions (8-10): Study the following information carefully to answer the questions that follow:
An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles.

Q8. If four marbles are picked at random, what is the probability that at least one is blue?
(a) 4/15
(b) 69/91
(c) 11/15
(d) 22/91
(e) None of these

Q9. If two marbles are picked at random, what is the probability that both are red?
(a) 1/7
(b) 1/3
(c) 2/15
(d) 2/5
(e) None of these

Q10. If three marbles are picked at random, what is the probability that two are blue and one is yellow?
(a) 3/91
(b) 1/5
(c) 18/455
(d) 7/15
(e) None of these

Q11. Rahul purchased a house for Rs. 10 lakhs. He sold it at 6% loss. With that money, he again purchased another house and sold it at a profit of 12%. What is his overall loss/profit?
(a) Rs. 54, 600 profit
(b) Rs. 51, 800 loss
(c) Rs. 52, 800 profit
(d) Rs. 51, 900 loss
(e) Rs. 52, 600 loss

Q12. Rs. 1,500/- were invested for 5 year in scheme A which offers simple interest at a rate of 14% p.a.. The amount received after 5 years and some additional money, is then invested in scheme B for 2 years, which offers compound interest (compounded annually) at a rate of 20% p.a.. If the compound interest received from scheme B after 2 year is Rs. 1,408/-, what was the additional money invested in scheme B apart from the amount received from scheme A?
(a) Rs. 450/-
(b) Rs. 650/-
(c) Rs. 500/-
(d) Rs. 280/-
(e) Rs. 520/-

Q13. In what respective ratio two varieties of rice costing Rs. 36 per kg and Rs. 60 per kg be mixed; so that by selling the mixture of Rs. 54 per kg 20% profit is earned?
(a) 3 : 2
(b) 7 : 5
(c) 5 : 3
(d) 5 : 2
(e) 4 : 3

Q14. 8 years ago, Jyoti’s age was equal to the Shruti’s present age. If the sum of Jyoti’s age 10 years from now and Shruti’s age 6 years ago is 88 years. What was Kusum’s age 14 years ago if Kusum is 8 years younger to Shruti? (in years)
(a) 22
(b) 14
(c) 25
(d) 24
(e) 16

Q15. How many students passed in first class?
Statement:
I.  85% of the students who appeared in examination have passed either in first class or in second class or in pass class.
II. 750 students have passed in second class.
III. Number of students passed in pass class in 28% of those passed in second class.
(a) All I, II and III
(b) I and III
(c) II and III
(d) Question cannot be answered even with information in all three statements
(e) None of the above