Arithmetic PYQ — Page 9

Find the median of the following data : 42, 19, 46, 17, 8, 35, 26, 39, 29

A man walking at a speed of 5 km / h passes a bridge in 15 minutes. What is the length of the bridge (in meters)?

If mean of the numbers 2, $(2p + 2)$, 7, 13, 17, 4 and $(p - 1)$ is 8, then find their median.

The marked price of a chair is 150% of its cost price. A discount of 30% is given while selling the chair. What is the profit percentage ?

The sum of the fourth proportional of 4, 5, 16 and the mean proportional of 4, 16, is

In a locality the ratio of number of males and females is 7 : 6. If there are 1050 males, then what is the total population of the locality ?

A, B and C can do a work in 10, 12 and 15 days respectively. In how many days will the work be completed if B is assisted by both A and C on every third day ?

The ratio of working efficiency of A and B is 4 : 5. If A alone completes the work in 15 days then in how many days can B alone complete the work ?

Find the distance covered by a man who walked for 15 minutes at a speed of 3 km/h.

A and B working together can do a work in 10 days. If A can do the work in 15 days, then how many days will B take to do the same work?

A sum of Rs 10,000 becomes Rs 14,400 on compound interest in 2 years. What is the rate of interest per annum ?

In a particular week, the average earning per day of a plumber from Monday to Wednesday remained Rs. 580 and that from Thursday to Saturday it was Rs. 612. If the average earning for the whole week was Rs. 675, then how much did he earn on Sunday ?

A train running at a speed of 45 km/h crosses a 100 m long platform in 60 seconds. The time taken by the train to cross an electric pole is:

A monthly bus ticket costs 20 percent more than a single ticket. A week's extension can be had for the former by paying 10% of the monthly ticket's cost. If the money paid for the monthly ticket (with extension) is Rs 660, then the price of the single ticket is :

Eight persons with an average weight of 49 kg were in a lift. Two more persons Anita and Kamal boarded the lift and the average weight of the persons in the lift increased by 2.8 kg. What is the average weight of Anita and Kamal?

A thief is spotted by a policeman from a distance of 200 meters. The policeman starts chasing at a speed of 10 km/h while the thief is running at a speed of 8 km/h. After how much time (in minutes) will the thief be caught ?

For the data 11, 15, 13, 12, 10, 8, 11, 7, 15, 11, 13, 7, 11, which of the following is true?

The difference between the cost price and the selling price of an article is Rs. 240. If the profit is 20%, then the selling price is:

The price of rice increases by 30%. A family reduced its consumption so that the expenditure of the rice is up only by 10%. If the total consumption of the rice before the price rise was 10 kg per month, then the consumption of rice per month at present (in kg) is:

The mean of scores obtained by 50 students is found to be 79.5. Later on, it was found that the score of one student was read as 94 in place of 49 and the score of another student was read as 69 in place of 89. Find the correct mean.

If the cost price of 12 pens is equal to the selling price of 8 pens, then what is the gain percent?

A, B and C started a business by investing in the ratio 4:3:2. At the end of the year the profit earned was distributed among them in the ratio 8:9:10. Find the ratio of the durations of their investment.

A completes $\frac{7}{20}$ of a work in 10 days. Then he completes the remaining work with the help of B in 5 days. The time required for A and B together to complete the entire work is:

If the selling price of 20 pens is equal to the cost price of 16 pens, then find the loss percentage.