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Factors of 512 = 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 Perfect square numbers = 5 (1, 4, 16, 64, 256)
A company has 12 employees, including 8 engineers and 4 managers. The average salary of the engineers is E rupees, and the average salary of the manager...
Average of four numbers is 28. Sum of smallest and largest number is 57. If difference between other two numbers is 1, then find the square of second sm...
Average of 8 numbers is 25. If average of first four and last two numbers is 15 and 40, respectively then find the fifth number given that ratio of fift...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 62.5 while average of last 5 numbers is 84.8 and 13th, 14th...
A man takes 3.5 hours to reach a friend's house, which is 50 km away from his residence. He returns home traveling at 20 km/h. Ca...
Average age of company A is 26 years and average age of both companies A and B is 12 years. If the ratio of number of employees in company A and B is 2:...
The average age of A and B is 22 years. If A is to be replaced by C, the average would be 20 years. The average age of C and A is 23 years. Find the age...
Fifteen movie theatres average 600 customers per theatre per day. If six of the theatres close down but the total theatre attendance stays the same, the...
The average age of 15 children and their teacher's age are 12 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?
The average of 30 numbers was initially calculated as 45. However, it was later found that one of the numbers had been incorrectly recorded as 83 instea...
