RBI OFFICER GRADE ‘B’ PHASE-I EXAM Held on : 04.09.2016 (Shift-I)(Part-III)

Total Questions: 50

11. In each of the following number series only one number is wrong. Find out the wrong number.

18.3 20.6 1622.9 13.7 2.2 11.4

Correct Answer: (1) 2.2
Solution: The pattern is :

12. In each of the following number series only one number is wrong. Find out the wrong number.

4  11  37  151  771  4633

Correct Answer: (1) 151
Solution:The pattern is :

13. In each of the following number series only one number is wrong. Find out the wrong number.

188  154  140  132  128  126  125

Correct Answer: (1) 154
Solution:The pattern is :

14. In each of the following number series only one number is wrong. Find out the wrong number.

391  394  399  411  431  461  503

Correct Answer: (3) 394
Solution:The pattern is :

15. In each of the following number series only one number is wrong. Find out the wrong number.

9  5  6  10.5  23  61  183

Correct Answer: (1) 61
Solution:The pattern is :

16. A, B and C started a business with investments of Rs. 1600, Rs. 2100 and Rs. 1500 respectively. After 8 months from the start of the business, B and C invested additional amounts in the ratio of 3: 5 respectively. If the respective ratio between total annual profit and C's share in the annual profit was 3:1, what was the additional amount invested by B after 8 months?

Correct Answer: (3) Rs. 900
Solution:Additional investment by B

17. A shopkeeper purchased 15 kg of variety A rice at Rs. x per kg and 10 kg of variety B rice at Rs. 'x + 5' per kg. The shop-keeper sold the whole quanti-ty of variety A rice at 10% profit and that of variety B rice at 20% profit. The total selling price of variety A rice was Rs. 30 more than that of variety B rice. Had the two varieties been mixed and sold at an overall profit of 20%, what would have been the selling price (per kg)?

Correct Answer: (1) Rs. 26.40
Solution:C.P. of rice of variety-A



18. In the given questions, two quantities are given, one as Quantity I and another as Quantity II. You have to determine relationship between two quantities and choose the appropriate option.

(1) If Quantity I ≥ Quantity II
(2) If Quantity I > Quantity II
(3) If Quantity I < Quantity II
(4) Quantity I = Quantity II or the relationship cannot be established from the information that is given
(5) Quantity≤ Quantity II

Correct Answer: (2)
Solution:Quantity I

Quantity II

19. In the given questions, two quantities are given, one as Quantity I and another as Quantity II. You have to determine relationship between two quantities and choose the appropriate option.

(1) If Quantity I ≥ Quantity II
(2) If Quantity I > Quantity II
(3) If Quantity I < Quantity II
(4) Quantity I = Quantity II or the relationship cannot be established from the information that is given
(5) Quantity≤ Quantity II
There are three positive numbers a, b and c. The average of a and b is less than the average of b and c by 1.
Quantity I: value of c.
Quantity II: value of a.

Correct Answer: (2)
Solution:

20. In the given questions, two quantities are given, one as Quantity I and another as Quantity II. You have to determine relationship between two quantities and choose the appropriate option.

(1) If Quantity I ≥ Quantity II
(2) If Quantity I > Quantity II
(3) If Quantity I < Quantity II
(4) Quantity I = Quantity II or the relationship cannot be established from the information that is given
(5) Quantity≤ Quantity II
Three equal circles are drawn on a triangle ABC, with points A, B, C as the centres. Radius of each of the circle is equal to half of the side of the triangle ABC. (Figure not to the scale)

Correct Answer: (3)
Solution:Radius of circle

Quantity I :
Area of shaded region 2