Question 1 :
A ratio equivalent to the ratio {tex}\frac { 2 }{ 3 }{/tex} : {tex}\frac { 3 }{ 4 }{/tex} is<br/>
Question 2 :
A and B take 6 hours and 9 hours respectively to complete a work. A Work for 1 hour and then B works for two hours.How much work is still left?
Question 4 :
In a class of 35 students, the number of girls is 20. The ratio of number of boys to the number of girls in the class is<br/>
Question 5 :
A can do a piece of work in 4 days and B can do the same work in 5 days. What part of work will be left, after they have worked together for 2 days?
Question 6 :
A can do a piece of work in 4 days and B can do the same work in 5 days. Find, how much work can be done by them working together in one day
Question 7 :
Two numbers are in the ratio 3 : 5. If the sum of the numbers is 144, then the largest number is<br/>
Question 8 :
A can do a piece of work in 4 days and B can do the same work in 5 days. Find, how much work can be done by them working together in 2 days.
Question 9 :
In 2 days and 20 hours, a watch gains 20 sec; find how much time will the watch take to gain 35 sec?
Question 12 :
The salary of a man is ₹ 24000 per month. If he gets an increase of 25% in the salary, then the new salary per month is<br/>
Question 15 :
In a class, 45% of students are girls. If there are 22 boys in the class, then the total number of students in the class is<br/>
Question 16 :
A class has 30 boys and 25 girls. What is the percentage of boys in the class?
Question 17 :
If Rohit borrows ₹ 4800 at 5% p.a. simple interest, then the amount he has to return at the end of 2 years is<br/>
Question 18 :
If a man buys an article for ₹ 120 and sells it for ₹ 100, then his loss percentage is<br/>
Question 19 :
The simple interest on ₹ 6000 at 8% p.a. for one year is<br/>
Question 20 :
If x is 20% less than y, find :{tex} \frac{y-x}{y} {/tex}