Question
Which of the following is used to coat aircraft surfaces
and metal cans to prevent rusting?Solution
The correct answer is B
The average wage of a group of 25 labourers is Rs. 470. If 4 persons receiving average wage of Rs. 350 leave the group and 2 persons receiving average w...
A set contains ten numbers. The average of the first six numbers is (x - 1), and the average of the last three numbers is (x + 6). The average of the en...
- The average of series 'S3', which consists of 6 consecutive even numbers, is 33. The second term of series 'T3', which consists of 5 consecutive odd number...
The average of two numbers is 6 more than the smaller number among them. If the greater number is 100% more than the smaller number, then find the sum o...
There are three distinct numbers a, b and c. If a = 200, (a + b) = 500 and (c – b) = 100, find the average of a, b and c.
Average of 15 numbers is 78. The average of the first seven is 74 and of the last five is 92. The eighth number is 40% of the ninth, and the tenth numbe...
The average of 25 numbers is 22.The average of first 12 numbers is 14 and that of the last 12 numbers is 17. What will be the 25th number?
The average age of a class of 20 girls is 14 years. If 5 new girls having average age of 9 years join the class, then the average age of the class becomes:
Average age of company A is 22 years and average age of both companies A and B is 14 years. If the ratio of number of employees in company A and B is 3:...
A set contains ten numbers. The average of the first six numbers is (x - 2), and the average of the last three numbers is (x + 4). The average of the en...
