** 61) A man's basic pay for a 40 hour week is Rs.2000. Overtime is paid for at 25% above the basic rate. In a certain week, he worked overtime and his total wage was Rs.2500. He,therefore, worked for a total of: **

(A) 48 hours

(B) 47 hours

(C) 45 hours

(D) 50 hours

** 62) Salaries of A,B and C are in the ratio 1:2:3 Salary of B and C together is Rs.60000. By what percent is salary of C more than that of A? **

(A) 300

(B) 600

(C) 100

(D) 200

** 63) The price of a table Rs.400 more than that of a chair.If 6 tables and 6 chairs together cost Rs.4800, by what percent is the price of the chair less than that of the table? **

(A) 100

(B) 200

(C) 400

(D) None of these

** 64) The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by: **

(A) 82%

(B) 42%

(C) 62%

(D) None of these

** 65) the length of a rectangle is increased by 20% and the width is decreased by 20%. The area decreases by: **

(A) 0.8%

(B) 1.2%

(C) 4%

(D) 8%

** 66) The length of a rectangle is increased by 60%. By what percent would the width have to be decreased to maintain the same area? **

(A) 75%

(B) 37%

(C) 60%

(D) None of these

** 67) In a market survey, 20% opted for product A whereas 60% opted for product B. The remaining individuals were not certain. If the difference between those who opted for product B and those who were uncertain was 720, how many individuals were covered in the survey? **

(A) 3600

(B) 1800

(C) 1440

(D) Data inadequate

** 68) What comes next in this sequence? 5,10,20,40,____ **

(A) 60

(B) 70

(C) 80

(D) 90

** 69) .02 = ?% **

(A) 20

(B) 0.2

(C) 0.02

(D) 2

** 70) 5 out of 2250 parts of earth is sulphur. What is the percentage of sulphur in earth? **

(A) 11/50

(B) 2/9

(C) 1/45

(D) 2/45