Aptitude Practice Question and Answer
8 Q: If the area of a circle inscribed in a square is 9π $$ {}\ cm^2 $$, then the area of the square is
986 05d70a32e3b18207684daed7c
5d70a32e3b18207684daed7c- 1$$ {24}\ cm^2 $$false
- 2$$ {30}\ cm^2 $$false
- 3$$ {36}\ cm^2 $$true
- 4$$ {81}\ cm^2 $$false
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Answer : 3. "$$ {36}\ cm^2 $$"
Q: If the length and breadth of a rectangle are in the ratio 3:2 and its perimeter is 20 cm, then the area of the rectangle (in cm2) is
1003 05d709baa3b18207684dae264
5d709baa3b18207684dae264- 1$$ {24}\ cm^2 $$true
- 2$$ {36}\ cm^2 $$false
- 3$$ {48}\ cm^2 $$false
- 4$$ {12}\ cm^2 $$false
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Answer : 1. " $$ {24}\ cm^2 $$"
Explanation :
2(3x+2x)=20
x=2
then the length and breadth of a rectangle is 6, and 4
The Area of Rectangle will be Length*breadth=6*4=24 cm2
Q: The difference of the areas of two squares drawn on two line segments of different lengths is 32 sq.cm, Find the length of the greater line segment if one is longer than the other by 2cm.
996 05d709a4e3b18207684dae1df
5d709a4e3b18207684dae1df- 17 cmfalse
- 29 cmtrue
- 311 cmfalse
- 416 cmfalse
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Answer : 2. "9 cm"
Explanation :
According to question given that x2-y2=32, and x-y=2
then we find x and y
Q: The radius of a circular wheel is 1.75 m. The number of revolutions it will make in travelling 11 km is (use 
);
1157 05d7098a13b18207684dae1da
5d7098a13b18207684dae1da );- 1800false
- 2900false
- 31000true
- 41200false
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Answer : 3. "1000"
Explanation :
According to question (2πr)n=11000 meter
then n is number of circle n=11000/2πr
n=1000 Ans.
Q: The base of a triangle is 15 cm and height is 12 cm. The height of another triangle of double the area having the base 20 cm is
1166 05d7096b19004b376a58bc3c9
5d7096b19004b376a58bc3c9- 19 cmfalse
- 218 cmtrue
- 38 cmfalse
- 412.5 cmfalse
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Answer : 2. "18 cm"
Explanation :
Area of first triangle =1/2*12*15=90
and second triangle Area will be 180 according to question that we can say
180=1/2*h*20
h=18 cm ans
Q: $$(49)^{15}-1$$ is exactly divisible by :
17807 55d690467d7fc393e309ecd7b
5d690467d7fc393e309ecd7b- 150false
- 251false
- 329false
- 48true
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Answer : 4. "8"
Q: one fourth of a tank holds 135 litres of water. What part of the tank is full if it contains 180 litres of water ?
15476 45d690407fd6bf53ead2e59cd
5d690407fd6bf53ead2e59cd- 12/5false
- 22/3false
- 31/3true
- 41/6false
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Answer : 3. "1/3"
Q: In a class, 3/5 of the students are girls and rest are boys. If 2/9 of the girls and 1/4 of the boys are absent. What part of the total number of students are present?
22452 45d690346fb83f62138db79c7
5d690346fb83f62138db79c7- 123/30true
- 223/36false
- 318/49false
- 417/25false
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