If logxy = 200 and log4x = 20, then the value of y is:
The average height of 20 students increased by 1 inch when one of them whose height is 3ft. 4 inches is replaced by a new student. What is the height of the new student?
Find the A.M of the following data:
| Class Interval | Frequency |
| 0–10 | 14 |
| 10–20 | 13 |
| 20–30 | 15 |
| 30–40 | 19 |
| 40–50 | 18 |
| 50–60 | 21 |
A committee of 4 is to be formed out of 6 men and 4 women. What is the number of ways in which this can be done so as to include at least 2 women?
P and Q are prime numbers where P < Q and their LCM is 297. Find the value of 2Q – 5P.
What is the average of the first five odd multiples of 11?
If , then find the value of x.
Find the number of ways in which 10 candidates out of 13 can be selected such that 2 particular candidates are always included and 2 particular candidates are always excluded.
A tennis player makes a score of 72 in the 15th match and thus increases his average by 3. What is his average after 15th match?
Two numbers are in the ratio 7: 11. If their HCF is 3, then find the numbers.
