Instructions

For the following questions answer them individually

Question 1

$$1+\frac{1}{2}+\frac{1}{4}+\frac{1}{16}+\frac{1}{32}+\frac{1}{64}$$ is approximately equal to ___________ .

Question 4

The pair of equations are 7x+8ky-16=0 and 14x+112y-21=0. Find the value of â€˜kâ€™ for which the system is inconsistent.

Question 5

Calculate the angle BAC if the angle BIC = $$125^\circ$$ and 'I' be the in-center of the triangle?

Question 6

The point where the triangle forms the right angle in the right angled triangle is known as the ________.

Question 7

A has thrice as much amount as that of B and B has 40% more amount than C. If the average of the amount of all three of them is Rs 1320, then what amount (in Rs) A has?

Question 8

Marks of two candidates X and Y are in the ratio of 4 : 7. If the marks of X is 140, then what will be the marks of Y?

Question 9

In what ratio salt costing Rs.13/kg mixed with another salt costing Rs.7/ kg to get a mixture costing Rs.9/kg?

Question 10

The average age of 8 members of a group is 36 years. The age of the eldest member is 32 years. If we exclude that eldest member from the group, then what will be the average age (in years) of the remaining members?