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RRB NTPC SAMPLE PAPER - ARITHMETIC - 160

RRB NTPC SAMPLE PAPER - ARITHMETIC - 160

1. In an examination, a student who gets 20% of the maximum marks fails by 5 marks. Another student who scores 30% of the maximum marks gets 20 marks more than the pass marks. The necessary percentage required for passing is

(a) 32%
(b) 23%
(c) 22%
(d) 20%

2. When 60 is subtracted from 60% of a number, the result is 60. The number is

(a) 120
(b) 150
(c) 180
(d) 200

3. (1+√2/√5+√3 + 1-√2/√5-√3) simplifies to :

(a) √5+√6
(b) 2√5+√6
(c) √5-√6
(d) 2√5-3√6

4. (√72-√18) ÷ √12 is equal to :

(a) √6
(b) √3/2
(c) √2/3
(d) √6/2

5. The next term of the sequence 1/2, 13/4, 35/4 ... is :

(a) 41/4
(b) 43/4
(c) 45/4
(d) 23/2

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Answer:

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

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