Top 20 Quantitative Aptitude & Statistics Practice Questions for NRB Officer (Competitive) Exams

Mastering the Mathematics and Statistics section is crucial for succeeding in the Nepal Rastra Bank (NRB) Officer and Assistant level competitive exams. This blog post features 20 handpicked practice questions that mirror the latest exam patterns, covering essential topics.

Whether you are preparing for NRB, ADBL, or Lok Sewa exams, these questions will help you sharpen your problem-solving speed and accuracy. Test your knowledge, identify your weak areas, and build the confidence needed to crack the quantitative section!

1) A does half as much work as B im three-fourth on the time. If together they take 18 days to complete the work, how much time shall B take to do it?

a) 30 days              b) 35 days        c) 40 days              d) None of these

 

2) If the average of a, b, c, d, and e is 95 and the average of a, b, and e is l00. The average of c and d is:

a) 78.5                b) 87.5                        c) 90              d) 98

 

3) Find the least number which, when divided by 8, 12, 15, 20, leaves the remainders 5, 9, 12, 17 respectively.

a) 118               J) 117                c) 120               d) 135

 

4) A reduction of Rs. 2 per kg enables a man to purchase 4 kg more sugar for Rs. 16. Find the original price of sugar:

a) Rs. 4       b)      Rs. 6                 c) Rs. 3            d) Rs. 4.5

 

5) A man buys 25 chairs for Rs. 375 and sells them at a profit equal to the selling price of 5 chairs. Is the selling price of one chair?

a) Rs. 18.75                         b) Rs. 14.50             c) Rs. 15.20             d) Rs. 17.20

 

6) In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still water (in km/hr) is:

 a) 3                   b) 5                  c) 8                d) 9

 

7) The population doubling time of a population growth rate is 2% p.a. is:

   a) 35yrs                   b) 70yrs              c) 50yrs              d) 30yrs

 

8) The sub-triplicate ratio is 125:216 is:

     a) 5:6                  b) 7:6             c) 8:9               d) 6:5

 

9) The value of 2⁴ ÷ 2^-4 is:

   a) 2⁸                   b) 2⁶                  c) 2⁷                d) 2¹⁰

 

10) If 7 is added to a number, the result is at least 15. The number is:

    a) x  8              b) x  8             c) x  3          d) None of these

 

11) If x is both the cube and the square of an integer and x is between 2 and 200, the value of is:

   a) 8                  b) 16                c) 64                  d) 80

 

12) Which of the following cannot be expressed as the sum of three consecutive integers?

   a) 18                 b) 24              c) 28             d) 33

 

13) Find the odd man out: 1, 5, 14, 30, 50, 55, 91.

    a) 5                  b) 50              c) 55                       d) 91

 

14) The sum of the series l+3+9+27+.... is 364. The number of terms is:

   a) 5                b) 6            c) 11              d) 13

 

15) If the first term of an A.P is 2 and the common difference is 4. The sum of its 40 terms is:

   a) 3200                 b) 1600                  c) 300                 d) 1750

 

16) What is the 99th letter of AABABCABCD….?

   a) Q                  b) R             c) S                d) T

 

17) A number consists of two digits whose product is 21. If 36 is subtracted from the number, the digits are interchanged. What is the number?

    a) 73                  b) 72              c) 97               d) 24

 

18) If (x-3) (2x+1) =0, the possible value of 2x+l are:

     a) 0 only                b) 10              c) 27                d) 7

 

19) A = {x: 2x+1 = 0, x is  an integer}, A is:

     a) Disjoint           b) Power set           c) Null set             d) Equal sets

 

20) Which of the following is a one-dimensional diagram?

a) Bar diagram        b) Pie diagram c) Pictogram          d) Histogram