Instructions

For the following questions answer them individually

Question 2

Mr. Ankit is on tour to Siachin and he has Rs. 360 for his expenditure. If he exceeds his tour by 4 days, he must trim down his daily expenditure by Rs.3. For how many days is Mr. Ankit is on tour?

Question 3

Determine the value of $$(\frac{1}{r}+\frac{1}{s})$$ when $$r^{3}+s^{3}=0$$ and $$r+s=6$$

Question 5

The circumferences of two circles are touching externally. The distance between their centres is 12 cm. The radius of one circle is 7 cm. Find the diameter (in cm) of the other circle.

Question 6

The length of the radius of the circumference of a triangle having sides 9 cm, 12 cm and 15 cm is

Question 8

The ratio of three numbers is 2 : 3 : 5. If the sum of the three numbers is 275, then what is the largest among the three numbers?

Question 9

S, T and U started a business and their capitals are in the ratio of 3 : 4 : 6. At the end they receive the profit in the ratio of 1 : 2 : 3. What will be the respective ratio of time period for which they contributed their capitals?