Question
0.25 g of an organic compound gave 0.20 g of CO₂
after complete combustion. The percentage composition of carbon is _____.Solution
The correct answer is B
The ratio of the number of boys to the number of girls in a school of 640 students, is 5 : 3. If 30 more girls are admitted in the school, then how many...
- A total amount of ₹24,750 is divided among ‘M’, ‘N’, ‘O’, and ‘P’ in the ratio of 4:7:5:6. What is the share of ‘N’?
The ratio of A's and B's salary is 6 : 7. If B's salary is increased by 5(1/2)%, then his total salary becomes Rs 1,26,600. The salary (in Rs) of A is:
If three numbers are in the ratio 5:6:8 and the sum of their squares is 1250, then the product of those numbers is:
The total number of teachers to the total number of students in Schools X and Y is in the ratio 40:9. Additionally, the number of students in School X ...Difference between the ages of A and B is same as the difference between the ages of B and C. The difference between the ages of A and C is 8 years. If ...
A school has a total of 600 students. The ratio of boys to girls is 3:5. If 40% of the boys and 20% of the girls participated in a sports event, how man...
Gagan and Magan have their monthly incomes in the ratio of 9:7 while their monthly expenditures are in the ratio of 6:5, if they have saved Rs. 23,400 a...
- The ratio of pens to pencils in a shop is 8:5. If 24 pens are sold and 21 pencils are added, the number of pens and pencils becomes equal. Find the origina...
Total population of city P and Q is 2240 and 2650 respectively. If the ratio of number of males to females in city is P and Q is 4:3 and 3:2 respectivel...
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