Question
In 1784, who discovered the composition of water through
his experiment with hydrogen and oxygen?Solution
The correct answer is A
The average wage of a group of 44 labourers is Rs. 250. If 4 persons receiving average wage of Rs. 275 leave the group and 2 persons receiving average w...
In a seminar, the average number of male and female attendees is 540. 70% of males and 50% of females are professionals. If there are 588 non-profession...
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the ...
A cricketer scored an average of 65 runs per match in the first 20 matches. In his next 10 matches, he scored runs with an average of ‘x’ runs per m...
The average age of six members of a family is 40 years. If the age of a guest is included, then the average age increases by 12.5%. What is the age (in ...
- The average of four numbers is 58. When four more numbers are included, the average increases by 4. Find the average of the numbers included.
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...
If the average of 38, 49, 42, and 'b' is 50, then find the value of '2b'.
Consider a group consisting of 16 females with an average age of 25 years and 20 males with an average age of 35 years. What is the approximate average ...
The average salary of 9 employees in an office is ₹40,000. When the manager leaves, the average salary becomes ₹36,000. Find the salary of the manager.
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