Instructions

For the following questions answer them individually

Question 31

In a school 10% of boys is equal to $$ \frac {1}{4} $$ th of the number of girls. What is the ratio of the boys and girls in that school ?

Question 32

A train â€˜Aâ€™ of 180 metres is running at the rate of 72 km/hr. Another train â€˜Bâ€™ of 120 metres is coming from opposite direction is the rate of 108 km/hr. How long will they take to cross one another ?

Question 33

Vinod purchased a Maruti van for Rs. 1,96,000. Rate of fall of price per year of this van is $$14 \frac {2}{7} $$ %. What will be its price after two years ?

Question 34

Nita sold an article for Rs. 220 and earned a profit of 10%. At what cost should she sell to earn a profit of 30% ?

Question 35

A seller sold $$ \frac {3}{4} $$ th of his goods at 24% profit. He sold rest part of the goods at cost price. What is percentage of his profit ?

Question 36

There are 40% women workers in an office. 40% women and 60% men of that office voted for in my favour. What is the percentage of total votes in my favour ?

Question 37

There is an article of Rs. 100. Its price is raised initially by 10% and then again by 10%. How many rupees have been increased ?

Question 38

A man went to his office on cycle at the rate of 10 km/hr and reached late by 6 minutes. When he increased the speed by 2 km/hr, he reached 6 minutes before time. What is the distance between his office and his departure point ?

Question 39

100 kms is the distance between the stations A and B. One train departed from A towards B at the rate of 50 km/hr and from B towards A at the rate of 75 km/hr. Both the trains departed simultaneously. At what distance from station A, both the trains will cross one -another ?

Question 40

10 persons can build a wall in 8 days. How many persons can build this wall in half day ?