James decided to donate 28% of his salary to an orphanage. On the day of donation, he changed his mind and donated 75% of what he has decided earlier, which reduced his donation amount by ₹2639. Find James salary?
Sandeep bought 25 kg of oranges for ₹ 575 from one shop and 15 kg of oranges for ₹ 375 from another shop. Find the average price paid per kg orange.
The average weight of a class of 30 students is 32 kg. If the weight of the teacher is included, the average rises by 500 g. What is the weight of the teacher?
Due to 20% decrease in price of wheat, a man is able to purchase 4 kg more wheat for Rs.80. Find the original price per kg.
Which city has the highest number of magazine readers who read only one magazine a week?
The group of people going on a trip to Paris has an average age of 22 years. 16 new people joined them with an average age of 15 years and the average of the group becomes 20 years. Find the final number of people going on a trip.
A family used to consume 20 liters of cooking oil in a month. The price of cooking oil increased by 50% and the family reduced its consumption of cooking oil such that the expenditure on cooking oil went up by only 20%. How much cooking oil does the family consume at present?
Kate got married to James in the year 1990 and became 5th member of James family. In 2000 James mother died, and Kate gave birth to a Child. The average age of James family at his marriage is same as the average age when the child was born. Find the age of James Mother when she died?
The average of three consecutive numbers is 8. Find the smallest number.
Find the average of all the prime numbers between 20 to 40.
Rajveer consumes 25 litre of refined oil and 9 litre of ghee per month and spends Rs 350 on the same. The price of ghee is five times as that of refined oil. If the price of ghee is increased by 20% then find the percentage reduction in the consumption of refined oil, if he has same amount to spent and if the price of refined oil is constant.
The total number of members at a school's annual function is 1800 out of which 60 are teachers, 85% are students and the rest are the parents of the students. What is the total number of parents?
Nick is five years younger than his elder brother who is eldest among four siblings.Amy is of his eldest brother.Lee is eldest of four sibling and he is 24 years old.Find Tony’s age who is seven years younger to Nick.
Which class has the lowest number of students who like all the five subjects?
Find the percentage of numbers from 1 to 40 that have 1 or 7 in the unit’s digit?
