RRB NTPC SAMPLE PAPER - ARITHMETIC - 120

1. The square root of :

(0.75)³/1-0.75+[0.75+(0.75)2+1] is:

(a) 4
(b) 3
(c) 2
(d) 1

2. Find the value of

√4+√44+√10000

(a) 12
(b) 8
(c) 4
(d) –4

3. If 3^{x + 8} = 272^{x + 1}, the value of x is:

(a) 7
(b) 7/4   
(c) 7/100
(d) 4/7

4. ³√8/√16 ÷ √100/49 x ³√125 is equal to :

(a) 7
(b) 7/4
(c) 7/100
(d) 4/7

5. If log₁₀2 = 0.3010 and log₁₀7 = 0.8451, then the value of log₁₀2.8 is :

(a) 0.4471
(b) 1.4471
(c) 2.4471
(d) 1.4471

Railway Recruitment Board (RRB) NTPC Exams Study Kit

Answer:

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