1. The mean temperature of Monday to Wednesday was 37°C and of Tuesday to Thursday was 34°C. If the temperature on Thursday was four-fifth that of Monday, then what was the temperature on Thursday? (2)
1) 45°C
2) 36°C
3) 36.5°C
4) 54°C
5) None of these
2. 5 kg sugar is purchased at Rs.10 per kg, 6kg at Rs.11 and 9kg at Rs.12 per kg. What is the weighted average price of sugar per kg? (3)
1) 11
2) 10.9
3) 11.2
4) 11.8
5) None of these
3. A student obtained 50, 65 and 45 marks respectively in three tests and 80 marks in the final test. The three tests are of equal weightage, where as the final test is weighted twice as much as the other tests. Find the average marks of the all the tests. (4)
1) 60
2) 48
3) 72
4) 64
5) None of these
4. Average cost of 5 apples and 4 mangoes is Rs. 36. The average cost of 7 apples and 8 mangoes is Rs. 48. Find the total cost of 24 apples and 24 mangoes. (3)
1) Rs.1044
2) Rs.522
3) Rs.2088
4) Rs.1756
5) None of these
5. There was a hostel for 30 boarders. On the number of boarders being increased by 10, the expenses of the hostel increased by Rs.1300 per month, while average expenditure per head diminished by Rs5. Find the original monthly expenses. (4)
1) Rs.150
2) Rs.145
3) Rs.4350
4) Rs.4500
5) None of these