Question
Total number of students in a class is 2400, and the ratio of number of boys to girls is 3:5. If the number of boys and girls is increased by z% and (z – 4)% respectively, then the total number of students in the class will become 2736. Find the value of z.
So, the value of z is 16.5%.More Percentage Questions
- If 33.5% of a number is 11.75, then what is the number?
- Riya spent 40% of her income on groceries and 50% of the remaining on entertainment. If she saves Rs. 1800 after these expenses, what is the amount spent o...
- The cost of tea increased by 25%, so Meena reduced her consumption by 20%. Calculate the percentage change in her expenditure on tea.
- The income of Tina is Rs.24000 and she saves 15% of her income. The savings of Kajal is Rs.2000 more than that of Tina and she spends 60% of her income. Fi...
- A person purchases 50 shares of a company at a price of Rs 80 per share. He sells part of these shares at a 25% profit and the rest at a 15% loss. If his o...
- In an examination having total 300 questions, in the first section having 180 questions. A student got 75% marks in first section, but he got 80% marks in ...
- In a local body election between two candidates, 25% of the polled votes were invalid. Out of the valid votes, the winner obtained 60% and won by 1,350 vot...
- In physics examination a student scored 45% marks in the first paper out of 160. How much percent marks should he score in the second paper out of 140 mark...
- Monthly income of P is Rs.19000 and his monthly savings is Rs.9500. If his monthly income is decreased by 30% and monthly expenditure is decreased by 20% t...
- The respective ratio of monthly income of A to monthly income of B is 6:7, and A’s saving is (100/7)% more than B’s saving. Find the expenditure of A, if t...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
