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Question 1:

Ramesh sold a box to Suresh at $10 \%$ profit. Suresh sold it to Ganesh at a $20 \%$ profit. If Suresh earns a profit of Rs. 44 , then what is the purchase price of this box for Ramesh?

Question 2:

A box contains 13 red pens and 32 blue pens. How many red pens must be added to the box so that $80 \%$ of the pens will be red?

Question 3:

If the edge of a cube be $3.5 \mathrm{~cm}$, then the volume of the cube is:

Question 4:

The perimeter of a semi-circular field is $72 \mathrm{~cm}$, find its radius.

Question 5:

If the product of two numbers is 3360 and their LCM is 96 , find their HCF.

Question 6:

In how much time will the simple interest on a certain sum of money be $\frac{6 }{5}$ times of the sum at $20 \%$ per annum?

Question 7:

Direction: Given Pie chart Shows marks obtained by Sunil out of 900 in six different subjects in an examination. Complete the data (if required) and answer the question that follows.

What is the Ratio of marks scored in maths to that of History?

निर्देश: दिया गया पाई चार्ट एक परीक्षा में छह अलग-अलग विषयों में सुनील द्वारा 900 में से प्राप्त अंकों को दर्शाता है। डेटा को पूरा करें (यदि आवश्यक हो) और नीचे दिए गए प्रश्न का उत्तर दें।

Question 8:

A boatman takes 12 hours to cover a distance of 75 km upstream while it takes him only 7.5 hours to cover the same distance downstream . What is the speed of stream ?

Question 9:

The value of $\sqrt{5+2 \sqrt{6}}-\frac{1}{\sqrt{5+2 \sqrt{6}}}$ is :

Question 10:

Read the following questions and decide which of the equations are sufficient to answer the question.

What is the value of $x$ ?


1. $x^{2}-18 x+81=0$

2. $ p+q+r=0$