Question
Vijay has 100 notes of Rs 50 and Rs 100. If his total
money is Rs 6500, find the number of Rs 100 notes.Solution
Let the total notes of 50 Rs = x Then the notes of 100Rs = 100-x ATQ- 50x +100(100-x) = 6500 50x +10000-100x = 6500 50x = 3500 x = 350/5 = 70 x = 70 notes Then the number of Rs 100 notes = 100-70 = 30 notes
- In a hostel, the number of senior and junior students are in the ratio 4:3. If the number of seniors was reduced by 32 and the juniors increased by 16, the...
A fruit seller sells apples at a profit of 20% and oranges at a loss of 10%. If the ratio of apples to oranges sold is 3:2 and the overall profit is rup...
- The number of cats and dogs in a shelter are in the ratio 6:5. If the number of cats decreased by 24 and number of dogs increased by 6, their numbers would...
A woman has Rs. 155 in the form of 25 paise coins, Rs. 2 coins, and Rs. 10 coins. The ratio of their counts is 6:5:3. What is the difference between the...
Rs. 18,000 is divided among 'X', 'Y', and 'Z' such that one-fourth of X’s share is equal to 20% of Y’s share which is equal to one-sixth of Z’s sh...
The proportion of books sold by Sita on Monday to those on Tuesday stands at 8:5. Sita's book sales on Wednesday exceed Tuesday's by 34, while Thursday'...
In an orchard, the ratio of the number of mango and lichi trees is 4:5, respectively. Also, there are few apple trees in the orchard which is 50% more t...
The total number of students to the total number of teachers in Universities A and B is in the ratio 25:4. Additionally, the number of teachers in Univ...Two numbers are in the ratio 3: 2. If 6 and 5 are subtracted from the first and the second number respectively, the ratio becomes 8: 5. The numbers are:
In a class, the number of students studying English and Math is in the ratio 3:4. If 12 additional students join the Math group, the ratio of students s...