Question
A bag contains coins of Rs 1, 50p, and 25p and the ratio
of their values is 15: 12: 7. If there are a total of 1340 coins then what will be the total number of 25p coins.Solution
                             1rs        50p       25p Value-                  15×1     12×2     7×4 Coins -                15          :24        :28 ATQ- 15x +24x +28x = 600 67x = 1340 X = 20 The coins of 50 paise = 28×20 = 560
- The mean proportional of 18 and 2 is _____.
The price of sugar is increased by 15%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and the original c...
The ratio of number of boys to number of girls of a class was 2:5. If 4 girls were absent, the ratio becomes 3:7. Find total number of students in the c...
In a collection of coins consisting of 20-paise, 25-paise, and 50-paise denominations, the coins are present in a ratio of 45:32:14. The combined value ...
In a company with 800 employees, the average age of male employees is 42 years and that of female employees is 41 years. If the average age of all the e...
The ratio of the incomes of Vineet and Vidya is 10:7 respectively. Vineet saves 30% of his income while Vidya saves 20% of his income. The sum of their ...
Mahika distributed 800 chocolates among A, B and C. A got 50% more chocolates than B and 60% less chocolates than C. How many chocolates did C receive? ...
The mean proportion of 289 and 144 is:
In a college the ratio of boys and girls are in the ratio 3:4. 40% girls and 20% boys were absent. Find the girls present if the total number of student...
In a class of 355 students, 255 are girls and remaining are boys. Among boys, the ratio of number of boys who are wearing caps to those who are not wear...
Relevant for Exams:
