S K Gupta and Anubhuti Gangal Solutions for Exercise 3: Exercise

About $\frac{3}{5}$ of the world's population lives in Asia and the people of Europe make up about $\frac{3}{25}$ of the world's population. What fraction of the world's population live in either Asia or Europe? 
 

Sanya is making a pudding for which she requires $\frac{3}{4}$ cup of crushed nuts. If she has $\frac{2}{5}$ cup of crushed nuts, how much more does she need? 
 

Janet went on a two-week holiday. She spent $\frac{2}{3}$ of her holiday money in the first week, $\frac{1}{4}$  in the second week. What fraction of her holiday money did she bring back home? 

The sum of two fractions is $6\frac{1}{6}$. If one of the fractions is $2\frac{1}{3}$, find the other fraction.

Ashok and Sumit ran a $100 \mathrm{m}$ race. Ashok took $18\frac{1}{5}$ seconds and Sumit took $21\frac{3}{4}$ seconds. How much longer did Sumit take$?$

The two largest solar eclipses occurred in $1991$ and $1992$. In $1991$ it lasted $2\frac{5}{6} \min$ and in $1992$ it lasted $1\frac{1}{3} \min$. How much longer was $1991$ 's eclipse? 
 

A wheelbarrow can hold $26 \frac{1}{4} \mathrm{kg}$. Four rocks that weigh $6\frac{1}{8} \mathrm{kg}, 8\frac{ 1}{2} \mathrm{kg}, 4\frac{ 3}{4} \mathrm{kg}$ and $7 \frac{1}{2} \mathrm{kg}$ are to be loaded into the wheelbarrow. Can the wheelbarrow hold all the four rocks? 
 

Find the value of $x$

$15\frac{x}{6}+18\frac{2}{3}=34\frac{1}{2}$