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Let the length and breadth of the rectangular field be 'l' metres and 'b' metres, respectively. Then, perimeter of the field = 2 X (l + b) = 82 So, (l + b) = 82 ÷ 2 = 41 (l + b)2 = l2 + b2 + 2lb = 1681 Also, l2 + b2 = 292 = 841 So, 2lb = 1681 - 841 = 840 So, lb = 840 ÷ 2 = 420 m2
Select the set in which the numbers are related in the same way as the numbers of the given sets. (NOTE : Operations should be performed on the whole nu...
If A means '–', G means '×' D means '÷' E means '+', then what will come in place of the question mark (?) in the following equation?
18 E 27...
In a certain code language, 'HOUSE' is written as '81261922' and 'INK' is written as '181411'. How will 'MISTAKE' be written in that language?
A run walks 5 m south from his office, turns left and walks 3m, again turns left and walks 13 m, then turns left and walks 3 m to reach the grocery shop...
What will come in place of ‘?’ in the following equation, if ‘+’ and ‘–‘are interchanged and ‘×’ and ‘÷’ are interchanged?
<...Who is sitting third to the right of Meera?
What is the total number of rectangles in the figure below?
F attends the exam on which of the following subjects?
What comes next in the series in place of ?-
X, T, P, L, ?
If + means divide, × means -, ÷ means multiply and – means plus, then find the value of 9 + 3 ÷ 4 - 8 × 2