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RRB NTPC SAMPLE PAPER - ARITHMETIC - 232


RRB NTPC SAMPLE PAPER - ARITHMETIC - 232


1. The volume of a right circular cylinder whose height is 40cm, and circumference of its base is 66 cm, is

(a) 55440 cm3
(b) 3465 cm3
(c) 7720 cm3
(d) 13860 cm3

2. ABC is a triangle with base AB. D is a point on AB such that AB = 5 and DB = 3. What is the ratio of the area of ∠ADC to the area of ∠ABC ?

(a) 3/2
(b) 2/3
(c) 3/5
(d) 2/5

3. A sum of Rs. 1600/- gives a simple interest of Rs. 252/­ in 2 years and 3 months. The rate of interest per annum is:

(a) 11/2%
(b) 8%
(c) 7%
(d) 6%

4. A sum of Rs.400/- amounts to Rs. 480/- in 4 years. What will it amount to if the rate of interest is increased by 2%?

(a) Rs. 484
(b) Rs. 560
(c) Rs. 512
(d) None of these

5. The marked price of a watch was Rs. 720/-. A man bought the same for Rs. 550.80, after getting two successive discounts, the first at 10%. What was the second discount rate?

(a) 12%
(b) 14%
(c) 15%
(d) 18%

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Answer:

1. (d) 2. (d) 3. (c) 4. (c) 5. (c)

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