Refer to the following data table and answer the question. The maximum marks for each subject is 100.
| Subjects | Marks Scored |
| Math | 83 |
| Science | 51 |
| Hindi | 68 |
| English | 62 |
| Sanskrit | 71 |
Seven marks are to be deducted from each subject because of poor attendance. What will be the net average marks scored by the student?
A vendor bought candies at ₹5 each. At what price must he sell to make 20% profit?
The curved surface area of a right circular cylinder is 8580 cm2. If the height of the cylinder is 15 cm, then find the diameter (in cm) of the circular base. \(\text{(Take } \pi = \frac{22}{7}\text{)}\)
Find the simple interest (in ₹) on ₹2,500 as a sum borrowed at 4% per year rate of interest for 2 years.
If P (P > 0) is the least possible number that must be subtracted from 7, 9, and 12 so that the resulting numbers are in continued proportion, then find the value of P.
Find the HCF of \(2^3 \times 3^3 \times 5^2 \times 7^2,\; 2^4 \times 3^2 \times 5^3 \times 7^2\) and \(3 \times 5 \times 7 \times 11\).