Question
If m is the number of prime numbers between 0 and 52.
and n is the number of prime numbers between 50 and 100, then what is the (n-m) equal to?Solution
For this we know that prime numbers between 1 to 52 is 15 that Means, m = 15 Also, we know that prime number between 50 to 100 is 10 that Means n=10 And we have found here (n-m) = (10-15) = -5Â
Two candidates P and Q contested in an election. 70% of the registered voters are P supporters. If 60% of the P supporters and 30% of the Q supporters a...
Ravi scored 80 marks in English. He scored 66% marks in Hindi and X marks in Maths. The maximum marks for each subject is 200. The overall percentage of...
Ajay secured 30% in an exam but fell short of the passing mark by 60 marks, whereas Bijay scored 55% and exceeded the passing mark by 90 marks. Determin...
Calculate the value of 'R' if 30% of 'R' equals 40% of Rs. 4,500.
A bag contains 400 coins of 25p denomination and 800 coins of 50p denominations. If 14% of 25p coins and 28% of 50p coins are removed, the percentage of...
The salary of an employee is increased by 6% every year. If the present salary is ₹60,000 per month, what will be the salary after 2 years?
- Ravi had a monthly income of Rs. 32000 and his monthly expenses were Rs. 25000. In the next year, his income increased by 11% and his expenses rose by 5%. ...
A company has a certain number of employees. Initially, 60% of the employees were assigned to the research department, 20% to the marketing department, ...
A man spends 40% of his income on rent, 30% on food, and 20% on other expenses. He saves the remaining ₹12,000. What is his total income?
Meenu spent 10% of the salary on entertainment and 20% on makeup. She spent 20% of the remaining on the food and 50% of the remaining invested in mutual...