16 .
If the area of a rectangular plot increases by 30% while its breadth remains same, What will be the ratio of areas of new and old figures ?
A.1:3
B. 3:1
C. 4:7
D.7:4
E.None of these
View AnswerAns: None of these
17 .
A circular road whose diameter is 35 m, has a 1.4 m broad garden around it. What is the area of garden in square metres ?
A.160.16
B. 176.16
C. 180.16
D.196.16
E.Data inadequate
View AnswerAns: 160.16
18 .
The cost of the paint is Rs. 36.50 per kg. If 1 kg of paint covers 16 square feet, How much will it cost to paint outside of a cube having 8 feet each side ?
A.Rs. 692
B. Rs. 768
C. Rs. 876
D.Rs. 972
E.Rs. 1072
View AnswerAns: Rs. 876
19 .
The radius of the cylinder is half its height and area of the inner part is 616 sq.cm. Approximately how many litres of milk it contain ?
A.1.4
B. 1.5
C. 1.7
D.1.9
E.2.2
View AnswerAns: 1.5
20 .
Sam invested Rs. 15000 at 10 % per annum for one year. If the interest is compounded half-yearly, then the amount received by the Sam at the end of the year will be in Rs. _______