RRB NTPC SAMPLE PAPER - ARITHMETIC - 24
RRB NTPC SAMPLE PAPER - ARITHMETIC - 24
1. A discount of 15% on one article is the same as discount of 20% on a second article. The costs of the two articles can be
(a) Rs. 85, Rs. 60
(b) Rs. 60, Rs. 40
(c) Rs. 40, Rs. 20
(d) Rs. 80, Rs. 60
2. An agent gets a commission of 2.5% on the sales of cloth. If on a certain day, he gets Rs. 12.50 as commission, the cloth sold through him on that day is worth
(a) Rs. 250
(b) Rs. 500
(c) Rs. 750
(d) Rs. 1,250
3. A sum of money doubles itself at compound interest in 15 years. In how many years it will become eight times?
(a) 30
(b) 45
(c) 50
(d) 60
4. Compound interest (compounded annually) on a certain sum of money for 2 years at 4% per annum is Rs. 102. The simple interest on the same sum for the same rate and for the same period will be
(a) Rs. 99
(b) Rs. 101
(c) Rs. 100
(d) Rs. 98
5. A sum of money becomes 6 of itself in 3 years at a certain rate of simple interest. The rate per annum is
(a) 50/9%
(b) 59/9%
(c) 18%
(d) 25%