Directions (1-4): What is the value of ? in the following number series?

Q1. 8000 1600 320 64 12.8 ?
(a) 2.56
(b) 3.5
(c) 3.2
(d) 2.98
(e) None of these

Q2. 6 9 15 27 51 ?
(a) 84
(b) 99
(c) 123
(d) 75
(e) None of these

Q3. 7 8 18 ? 232 1165
(a) 84
(b) 42
(c) 57
(d) 36
(e) None of these

Q4. 9 19 40 83 ? 345 696
(a) 162
(b) 170
(c) 175
(d) 166
(e) None of these

Q5. The old term in the sequence 0, 7, 26, 63, 124, 217 is:
(a) 217
(b) 7
(c) 26
(d) 63
(e) None of these

Directions (6-10): The table below shows production of five types of cars by a company in the years 1989 to 1994. Study the table and answer questions.

 Year → Type ↓ 1989 1990 1991 1992 1993 1994 Total P 8 20 16 17 21 6 88 Q 16 10 14 12 12 14 18 R 21 17 16 15 13 8 90 S 4 6 10 16 20 31 87 T 25 18 19 30 14 27 133 Total 74 71 75 90 80 86 476

Q6. In which year the production of cars of all types taken together was approximately equal to the average of the total production during the period?
(a) 1989
(b) 1991
(c) 1993
(d) 1994
(e) None of these

Q7. In which year, the total production of cars of types of P and Q together was equal to the total production of cars of types R and S together.
(a) 1990
(b) 1991
(c) 1994
(d) 1993
(e) None of these

Q8. During the period 1989-94, in which type of cars was a continuous increase in production?
(a) P
(b) Q
(c) R
(d) S
(e) None of these

Q9. The production of which type of cars was 25% of the total production of all types of cars during 1993?
(a) S
(b) R
(c) Q
(d) P
(e) None of these
Q10. The per cent increase in total production of all types of cars in 1992 to that in 1991 was?
(a) 15
(b) 20
(c) 25
(d) 30
(e) None of these

Directions (11-15): These questions based on the following graphs?
Classification of appeared candidates in a competitive test from different states and qualified candidates from those states.

Appeared candidates = 45000.

Qualified candidates = 9000

Q11. What is the ratio of the number of appeared candidates from states C and E together to that of the appeared candidates from sates A and F together?
(a) 17 : 33
(b) 11 : 13
(c) 13 : 27
(d) 17 : 27
(e) None of these

Q12. In which state, the percentage of qualifies candidates with respect to that of appeared candidates is minimum?
(a) C
(b) F
(c) D
(d)E
(e) G

Q13. What is the difference between the number of qualified candidates of states D and those of G?
(a) 690
(b) 670
(c) 780
(d) 720
(e) None of these

Q14. What is the percentage of qualified candidates with respect to appeared candidates from states B and C taken together? (rounded to two decimal places)
(a) 23.11
(b) 24.21
(c) 21.24
(d) 23
(e) None of these

Q15. What is the ratio between the number of candidates qualified from states B and D together to the number of candidates appeared from states ‘C’, respectively?
(a) 8 : 37
(b) 11 : 12
(c) 37 : 40
(d) 7 : 37
(e) None of these

Solutions

S1. Ans.(a)
Sol.

Hence, the answer will be 2.56.

S2. Ans.(b)
Sol.

Hence, the answer will be 99.

S3. Ans.(c)
Sol.

Hence, the answer will be 57.

S4. Ans.(b)
Sol.

S6. Ans.(c)
Sol. Average of the total production during the period =476/6≈80

S7. Ans.(d)

S8. Ans.(d)