Arihant Expert Team Solutions for Exercise 2: Arithmetic

 Kapil sold two bikes for $Rs.50000$ each. On one he gains $14\%$ and on the other, he losses $14\%$. Find his gain or loss per cent in this whole transaction.

Between two consecutive years, my incomes are in the ratio of $2: 3$ and expenses in the ratio $5:9$. If my income in the second year is $Rs.45000$ and my expenses in the first year is $Rs.25000$ my total savings for the two years is: 

Some apples are bought at $5$ for $Rs.10$ and sold at $6$ for $Rs.15$. What is the gain per cent?

Reena, Reema and Meera take a car on rent and they use that car for $14$ h, $16$ hr and $22$ hr respectively. What amount will be paid by Meera, if total rent of the car is $Rs.2080$?

The average age of $12$ players of a team is $25$ yr. If the captain's age is included, the average age increases by $1$. The age of the captain is?

A student walks from his house at $2\frac{1}{2}$km/h and reaches his school late by $6$ min. Next day, he increases his speed by $1$ km/h and reaches $6$ min' before school time. How far is the school from his house? 

John started from $A$ to $B$ and Vinod from $B$ to $A$. If the distance between $A$ and $B$ is $125$ km, and they meet at $75$ km from $A$, what is the ratio of John's speed to that of Vinod's speed? 

The length of the diagonals of a rhombus are $16$ cm and $12$ cm. The side of the rhombus is: