RBI Grade B 2008

Instructions

What should come in place of question mark (?) in the following number series ?

Question 101

13, 14, 30, 93, 376, 1885, ?

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Question 102

4, 6, 9, 13.5, 20.25, 30.375, ?

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Question 103

400, 240, 144, 86.4, 51.84, 31.104, ?

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Question 104

9, 4.5, 4.5, 6.75, 13.5, 33.75, ?

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Question 105

705, 728, 774, 843, 935, 1050, ?

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Instructions

Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read the question and both the statements and -
Give answer a: if the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
Give answer b: if the data in statement H alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
Give answer c: if the data either in statement I alone or in statement II alone are sufficient to answer the question.
Give answer d: if the data even in both the statements I and H together are not sufficient to answer the question.
Give answer e: if the data in both the statements I and II together are necessary to answer the question.

Question 106

Train ‘A’ running at a certain speed crosses another train ‘B’ running at a certain speed in the opposite direction in 12 seconds. What is the length of train ‘B’ ?
I. The length of both the trains together is 450 metres.
II. Train ‘A’ is slower than train ‘B’.

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Question 107

Area of a rectangle is equal to the area of a right angled triangle. What is the length of the rectangle ?
I. The base of the triangle is 40 cms.
II. The height of the triangle is 50 cms.

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Question 108

What was the total compound interest on a sum after three years
I. The interest after one year was Rs. 100/- and the sum was Rs. 1,000/-
II. The difference between simple and compound interest on a sum of Rs. 1,000/- at the end of two years was Rs. 10/-.

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Question 109

What is the two digit number where the digit at the unit place is smaller ?
I. The difference between the two digits is 5.
II. The sum of the two digits is 7.

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Question 110

What is the speed of the boat in still water ?
I. It takes 2 hours to cover distance between A and B downstreams.
II. It takes 4 hours to cover distance between A and B upstreams.

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