CSS General Abilities Topic 1 Basic Arithmetic With Answers

CSS General Abilities Topic 1 Basic Arithmetic

Sr. # Questions Answers Choice
1 The population of a town is decreased by 20% and 25% in two successive years. What per cent population is decreased after tow years ? 50% 40% 60% None of these
2 A number is increased by 20% and then decreased by 20%, the final value of the number Does not change Decrease by 2% Increases by 4% Decreases by 4%
3 If 12% of x is equal to 6% of y, then 18% of x will be equal to how much per cent of y ? 7% 9% 11% None of these
4 20% of 30% of 20% of Rs. 850 is Rs. 9.50 Rs. 10.20 Rs. 10.50 None of these
5 If 200% of number is 90, then what is the 80% of that number ? 48 36 24 None of these
6 What per cent of 2/7 is 1/35 ? 15% 18% 10% None of these
7 Express 7/8 as percentage. 67 1/2 % 87 1/2 % 97 1/2 % None of these
8 What per cent of 12 is 84? 800% 600% 700% None of these
9 .025 in terms of rate per cent is : 3.5 % 2.5% 1.5% None of these
10 What fraction is 0.6 % ? 7/500 9/500 3/500 None of these
11 6 2/3 % expressed as a fraction in its lowest term is 2/15 1/15 3/20 None of these
12 What  percentage is equivalent to 5 1/4 ? 525% 425% 625% None of these
13 20 litres of a mixture contains milk and water in the ratio 5 : 3. If 4 litres of this mixture are replaced by 4 litres of milk, the ratio of milk to water in the new mixture will become: 2 : 1 7 : 3 8 : 3 4 : 3
14 The ratio of income of A to that of B is 5 : 4 and the expenditure of A to that of B is 3 : 2. If at the end of the year, each saves Rs. 800, the income of A is: Rs. 1600 Rs. 1800 Rs. 2000 Rs. 2200
15 In a college, the ratio of the number of boys to girls is 8 : 5. If there are 160 girls, the total number of students in the college is: 100 250 260 416
16 The average age of three boys is 25 years and their ages are in the proportion 3 : 5 : 7. The age of the youngest boy is: 21 years 18 years 15 years 9 years
17 A and B together have Rs. 1210 with them. If 4/15 of A's amount is equal to 2/5 of B's amount, how much amount does B have? Rs. 466 Rs. 484 Rs. 550 Rs. 664
18 Which of the following ratios is the greatest ? 7 : 15 15 : 23 17 : 25 21 : 29
19 If the ratio of A to B is 9 times the ratio of B to A, then A/B could be: 9 3 1/3 1/9
20 If x/5 = y/8, then (x + 5) : 1(y + 8) is equal to: 3 : 5 13 : 8 8 : 5 5 : 8
Download This Set

Is this page helpful?