Elementary Mathematics

1. By selling an article for Rs. 960 a man incurs a loss of 4%, what was the cost price?
(A) Rs. 1,000
(B) Rs. 784
(C) Rs. 498,4
(D) Rs. 300

2. One-third of 1206 is what percent of 134?
(A) 100
(B) 150
(C) 200
(D) 300

3. If population of women in a village is 90% of population of men, what is the population of men as a percentage of population of women?
(A) 100 %
(B) 105%
(C) 108%
(D) 111%

4. John invested a sun of money at an annual simple interest rate of 10%. At the end of four years the amount invested plus interest earned was Rs. 770. The amount invested was
(A) Rs. 650
(B) Rs. 350
(C) Rs. 550
(D) Rs. 500

5. The compound interest of Rs. 6,400 for 2 years at % per annum is (in Rs.)
(A) Rs, 1,016
(B) Rs. 996
(C) Rs. 976
(D) Rs. 966

6. Find out the wrong number in the sequence 169, 144, 121, 100, 82, 64, 49
(A) 144
(B) 49
(C) 64
(D) 82

7. Working 8 hours a day, Anu can copy a book in 18 days. How many hours a day should she work so as to finish the work in 12 days?
(A) 12 hours
(B) 10 hours
(C) 11 hours
(D) 13 hours

8. A stock of foodgrain last for 21 days for village A. The same stock would last for 28 days for village B. If the foodgrains are used for both the villages together, the stock would last for
(A) 14 days
(B) 12 days
(C) 7 days
(D) 49 days

9. A train of length 500 feet crosses a platform of length 700 feet in 10 seconds. The speed of the train is
(A) 70 ft/second
(B) 85 ft/second
(C) 100 ft/second
(D) 120 ft/second

10. The length of two sides of an isosceles triangle are 15 and 22 respectively. What are the possible values of perimeter?
(A) 52 or 59
(B) 52 or 60
(C) 15 or 37
(D) 37 or 29