Arithmetic PYQ — Page 13

The average of eight numbers is 6. If each number is multiplied by 5, then the average of the new set of numbers is

The average of 3 odd consecutive numbers is 15. What is the sum of first and last numbers?

The average of 3 even consecutive integers is 12. What is their product?

The average age of group of 5 friends is 32 years. The youngest friend amongst them is 4 years old. What was the average age of the group at the time of birth of the youngest friend?

Suresh covers a distance by a cycle at 10 km/h. He returns to the starting point in a car at a speed of 50 km/h. Find the average speed for the entire journey.

Sum of two numbers is 44 and their difference is 16. The ratio of these number is :

Sita makes profit of 15% by selling a watch for Rs. 1656. At what price should the watch be sold to make 25% profit ?

Simple interest of Rs.10000 for 15 years at 15% PA is equal to simple interest of Rs.15000 at $x$% PA in 10 years. Find the value of $x$.

Ratio of the averages of first five (05) odd and first five (05) even natural numbers will be

Ratio between age of P and Q is 5 : 7. If 2 years ago Q's age was 2 years more than the age of P after 4 years, then find their total age

Radha sells her scooty for Rs. 50000 at a loss of 20%. At what price she should sell her scooty to make a profit of 10% ?

$\frac{3}{4}$ part of the tank is filled by a motor pump in 15 minutes, then the rest part of the tank will be filled in

P, Q and R can complete a work in 12, 9 and 15 days respectively. Working together, they will complete the same work in:

P is 40 years old and Q is 60 years old. How many years ago was the ratio of their ages 3 : 5 ?

P can do a work in 12 days. Q can do the same work in 10 days. If P and Q come together, both of them can complete the same work in how many days?

P alone can do a piece of work in 5 days and Q alone in 4 days. P and Q undertook to do it for Rs. 3000. With the help of R they completed the work in 2 days. How much is to be paid to R?

Mohan asked 36 men to build his house in 30 day. 50% of the work got completed in just 10 days. So, Mohan removed some workers. Now, how many persons does he need to complete the remaining work in decided time?

Median of the data is:

Mean of the data is:

If the sugar price is increased by 25% by how much percent consumption should be reduced that expense remains same.

If the mean of $x-3$, $x+4$, $2x-1$, $x+3$ is 2. The value of x is :

If the cost price of an item is Rs. 3,200 and sale price is Rs. 2600, then the percentage loss will be :

If the average of 3, 8, 9 and x is 8. Then, what is the value of x ?

If principal = P, Rate R = R% per annum, T = Time year, SI = Simple interest, then a. $T = \frac{100 \times SI}{P \times R}$ b. $SI = \frac{P \times R \times T}{100}$ c. $R = \frac{P \times SI \times T}{100}$ d. $T = \frac{P \times SI \times T}{100}$ e. $R = \frac{100 \times SI}{P \times T}$