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Question 1:

If 20% of a number is added to 84 gives the result as the number itself, then the number is:

Question 2:

The difference between Principal and 10 years Simple Interest is Rs.1200. If the rate of Simple Interest is 20% then find the Simple interest.

Question 3:

There is a mixture of milk and water having ratio $4: 1 .$ A milkman replaces 16 litres of mixture by 16 litre of water then this ratio becomes $4: 3$. Find the quantity of the original mixture?

Question 4:

The HCF and product of 2 numbers are 8 and 1536 respectively, The numbers of possible pairs of number is:

Question 5:

If 20% of P = 30% of Q and Q= y% of P, then the value of y is:

Question 6:

A boat goes $45 \mathrm{~km}$ downstream and while returning covered only $77 \frac{7}{9} \%$ of the distance covered in downstream. If boat takes 2 hours more to cover the upstream distance than the downstream distance then find the speed of boat in still water $(\mathrm{km} / \mathrm{hr})$ if speed of stream is $2 \mathrm{~km} / \mathrm{hr}$.

Question 7:

What is the ratio of average of all even numbers between 104 and 148 and average of all odd numbers from 113 to $159 ?$

Question 8:

A supplier sells 24 chocolates at a marked price of 20 toffee to a retailer. The retailer in turn sells them at the marked price. what is the % profit or loss of the retailer.

Question 9:

Two pipes $\mathrm{P}$ and $\mathrm{Q}$ can fill the tank alone in 200 and 600 hours respectively. If they are opened together, then in how many hours will the tank be filled ?

Question 10:

The average age of 17 students of a class is 25 years when a new student join the class the average age of the class become 31 years then find the age of new student .