The average age of seven persons sitting in a row facing east is 28 years. If th
The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons…
A total of 3000 chocolates were distributed among 120 boys and girls such that e
A total of 3000 chocolates were distributed among 120 boys and girls such that each boy received 2 chocolates and each girl received 3…
The average runs scored by a batsman in 20 matches is 40. In the next 10 matches
The average runs scored by a batsman in 20 matches is 40. In the next 10 matches the batsman scored an average of 13…
Rs. 6000 is lent out in two parts. One part is lent at 7% p.a simple interest an
Rs. 6000 is lent out in two parts. One part is lent at 7% p.a simple interest and the other is lent at 10%…
The average weight of a group of boys is 30 kg. After a boy of weight 35 kg join
The average weight of a group of boys is 30 kg. After a boy of weight 35 kg joins the group, the average weight…
A trader purchased two colour televisions for a total of Rs. 35000. He sold one
A trader purchased two colour televisions for a total of Rs. 35000. He sold one colour television at 30% profit and the other 40%…
A salt manufacturing company produced a total of 5000 tonnes of salt in January
A salt manufacturing company produced a total of 5000 tonnes of salt in January of a particular year. Starting from February its production increased…
The average weight of a group of persons increased from 48 kg to 51 kg, when two
The average weight of a group of persons increased from 48 kg to 51 kg, when two persons weighing 78 kg and 93 kg…
The average amount with a group of seven numbers is Rs. 20. If the newly joined
The average amount with a group of seven numbers is Rs. 20. If the newly joined member has Rs. 50 with him, what was…
The total marks obtained by a student in Mathematics and Physics is 60 and his s
The total marks obtained by a student in Mathematics and Physics is 60 and his score in Chemistry is 20 marks more than that…
The sum of five numbers is 655. The average of the first two numbers is 85 and t
The sum of five numbers is 655. The average of the first two numbers is 85 and the third number is 125. Find the…
Five years ago the average of the ages of A and B was 40 years and now the avera
Five years ago the average of the ages of A and B was 40 years and now the average of the ages of B…