Question
The length of a rectangle is extended by 26%, while its
width is reduced by 26%. What is the percentage change in the area of the rectangle as a result of these adjustments?Solution
Let length and breadth of rectangle initially be x cm and y cm respectively. Area of rectangle = xy cm2 Length after increase = 1.26x cm Breadth after decrease = 0.74y cm Area of rectangle now = 1.26x × 0.74y = 0.9324xy cm2 Decrease in area = xy – 0.9324xy = 0.0676xy cm2 Percentage decrease = 0.0676xy/xy × 100 = 6.76% Hence, option e.
What willbe the code for “God believe”?
KLNJOU
In a certain code language, ‘GREAT’ is coded as TAHRG and ‘PILOT’ is coded as TOOIP. How will ‘VALUE’ be coded in the same language?
...If ‘CAREFUL’ is coded as ‘1357496’, and ‘TIER’ is coded as ‘2875’, what will the figures ‘ 385276 ’ represent?
...In a certain code language, SPOON is written as TQNNO, and JOKER is written as KNLDS. How will UMBRELLA be written in that language?
In a certain code language, ‘POLITE’ is coded as '231', 'FRIEND' is coded as '168'. What is the code for 'CASUAL' in that code language?
In a code language, 561 means ‘previous letters arranged’, 501 means ‘previous letters compiled, 063 ‘compiled alphabets arranged’. Find the c...
What is the code for saathi ?
How many such pair(s) of letters are in the word “TRANSPARENT” which has as many letters between them (both forward and backward) as in the English ...
In a certain code language, ‘APPLE’ is written as ‘25’ and ‘JUNIOR’ is written as ‘36’. How will ‘PACKAGE’ be written in that lan...
Relevant for Exams:
