RBI GRADE ‘B’ OFFICER’S EXAM Held on : 2007 (Part-III)

Total Questions: 50

11. Study the following table to answer the given questions :

Percentage of Marks obtained by Seven students in six subjects"

Subjects

(Max. Marks:) 

English (60)History (40)Computers (130)Maths (150)Science (120)Economics  (80)
Meera1008050909060
Subodh8070801008040
Kunal907060907070
Soni606065808080
Richu509062808595
Irene406064706585
Vijay808035655075

What are the total marks obtained by Meera in all the subjects?

Correct Answer: (1) 448
Solution:Marks obtained by Meera in :

English = 60

History = 40× 80 × 100 = 32

Computers = 50 × 130 × 100 = 65

Maths = = 135

Science = 90 × 120 × 100 = 108

Economics = = 48

Total marks

= 60 + 32 + 65 + 135 + 108 + 48 = 448

12. What are the average marks obtained by these seven students in History? (rounded off to two digits)

Correct Answer: (4) 29.14
Solution:Marks obtained in History by :

13. How many students have got 60% or more marks in all the subjects ?

Correct Answer: (2) Two

14. What is the overall percentage of Kunal ?

Correct Answer: (3) 75
Solution:Total marks obtained by
Kunal

= 54 + 28 + 78 + 135 + 84 + 56 = 435

Total marks

= 60 + 40 + 130 + 150 + 120

80 = 580

15. In which subject is the overall percentage the best ?

Correct Answer: (1) Maths

16. Study the following graph carefully and answer questions given below it. Percentage profit earned by two companies A and B over the years

Total expenditure of Company A in all the years together was Rs. 128.5 lakhs. What was the total income of the Company in all the years together ?

Correct Answer: (4) Cannot be determined
Solution:Overall per cent profit is not known.

17. Ratio of expenditures of Companies A and B in 2003 was 4:5 respectively. What was the respective ratio of their incomes in that year ?

Correct Answer: (5) None of these
Solution:Let the expenditures of companies A and B in 2003 be Rs. 4x and 5x respectively.
If their respective incomes be I₁ and I₂, then for company A,

18. If the expenditures of Companies A and B in 2001 were equal and the total income of the two companies was Rs. 116 lakhs, what was the total expenditure of the two companies in that year ?

Correct Answer: (2) Rs. 80 lakhs
Solution:Let the income of company A

= Rs. x lakhs.
Income of company B
= Rs. (116 - x) lakhs
Let the expenditure of each
company be Rs. y lakhs.
For company A,

19. If the incomes of Company B in 2002 and 2003 were in the ratio of 3:4 respectively, what was the respective ratio of expenditures of that company in these two years ?

Correct Answer: (3) 45 : 58
Solution:Let the incomes of company B in 2002 and 2003 be
Rs. 3x and Rs. 4x respectively.
Let respective expenditures be
Rs. y₁ and Rs. y₂.
For the year 2002,

20. Expenditures of Company A in 2004 and 2005 are Rs. 12 lakhs and Rs. 14.5 lakhs respectively. What was the total income of Company A in 2004 and 2005 together (in lakh Rs.) ?

Correct Answer: (1) 41.2
Solution:In the year 2004,

Total income = I₁ + I₂

= Rs. (18 + 23.2) lakhs

= Rs. 41.2 lakhs.