Each question contains Quantity I and Quantity II. Read the contents clearly and

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Each question contains Quantity I and Quantity II. Read the contents clearly and answer your questions accordingly. Quantity I: if the length of a rectangle is increased by 20% while the breadth of the rectangle is decreased by 10% then find percentage change in area of the rectangle? Quantity II: if the side of a triangle is increased by 30% while the height of a triangle is decreased by 20% then find the percentage change in area of the triangle?
Options
A. Quantity I > Quantity II
B. Quantity I ? Quantity II
C. Quantity I< Quantity II
D. Quantity I < Quantity II

Correct Answer

Quantity I > Quantity II

Explanation

Quantity I= 20% - 10% - (20*10/100) % = +8%

Quantity II= 30% - 20% - (30*20/100)% = +4%

Hence Quantity I > Quantity II

More questions

1.
Shankara buys a watch for Rs. 1,950 in cash and sells it for Rs. 2,200 at a credit of 1 year. If the rate of interest is 10% per annum, he _____ :
Options
A. gains Rs. 55
B. gains Rs. 50
C. loses Rs. 30
D. gains Rs. 30

5.
Rajan sold an articles for ? 6000 at a loss of 25%. Find the cost price.?
Options
A. ? 7500
B. ? 7200
C. ? 8000
D. ? 8500

6.
In which of the following cases, A = B?
Options
A. A = {12, 14, 16}, B = {16, 18, 20}
B. A = ?, b = {}
C. A = {x: x ? W and x < 1}, B = ?
D. A = {x: x is a day of the week beginning with S}, B = {Sunday}

8.
If two parallel lines are intersected by a transversal, then the bisectors of the two pairs of interior angles enclose a:
Options
A. Trapezium
B. Rectangle
C. Square
D. circle

10.
The length of minute hand of a wall clock is 7 cms. The area swept by minute hand in 30 minutes is?
Options
A. 147 sq. cm
B. 210 sq. cm
C. 154 sq. cm
D. 77 sq. cm

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