Question
Length and breadth of a rectangular room are in the
ratio 4 ∶ 5. The perimeter of the room is 180 m. Cost of flooring is Rs. 75 per square metre. Find the cost of flooring the room.Solution
Let the length and breadth of rectangular room is 4x and 5x respectively. ⇒ 2 × (4x + 5x) = 180 ⇒ 18x = 180 ⇒ x = 10 Area of floor = length × breadth ⇒ (4 × 10) × (5 × 10) ⇒ 2000 m2 Cost of flooring = 2000 × 75 = Rs. 1,50,000
In a certain code language, 'LAST' is coded as 'PFWY'. What is the code for 'MEAN' in that code language?
In a certain code language, 'SUGAR' is coded as 81 and 'FILL' is coded as 51. How will 'CREAM' be coded in that language?
Which two signs should be interchanged to make the following equation correct?
18 − 23 × 455 ÷ 7 + 28 = 377
Which of the given letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side...
Select the correct mirror image of the given figure, when the mirror is placed at line MN as shown.
Read the given statements, labelled Assertion (A) and Reason (R), and select the most appropriate option with respect to them.
Statement :
...Six letters U, V, W, X, Y and Z are written on different faces of a dice. Two positions of this dice are shown in the figure below. Find the letter on t...
Select the correct mirror image from the following options, when the mirror is placed on the right side of the given figure.
In a family of six members, A is married to B. C is B's sister, and D is C's father. F is D's mother.How is F related to A?
Select the option that will come next in the following figure series.
Relevant for Exams:
