Instructions

For the following questions answer them individually

Question 81

In the following figure, ABCD is a square whose each side is 10cm long. Mangles AEC and AEFC are congruent. Point Bâ€™ is the mid-point of side EC. Find the area of AEFC (in sq. cm).

Question 82

In the following figure, ABC is an equilateral triangle and BCDE is a square whose each side is 8 cm long. Find the area of pentagon ABDEC in square cm.

Question 83

If 36 persons are engaged on a piece of work, the work can be completed in 40 days. After 32 days, only 3/4 th of the work was completed. How many more persons are required to complete the work on time?

Question 84

A shopkeeper bought 84 identical shirts priced at Rs. 240 each. He spent a total of Rs. 3200 on transportation and packaging. He put the label of marked price of Rs.420 on each shirt. He offered a discount of 15% on each shirt at the marked price. What is the total profit of the shopkeeper in the whole transaction ?

Question 85

There is a rectangular plot whose length is 36 metre and breadth is 28 metre. There are two paths parallel to length and breadth of plot as is shown shaded in the following figure. The remaining part is lawn whose area is 825 square metre. What is the area of paths ?

Instructions

In the following questions two equations numbered I and II are given. You have to solve both the equations and

Give answer If

a:x > y

b: x â‰¥ y

c: x < y

d: x â‰¤ y

e: x = y or the relationship cannot be established