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Aptitude - Squares & Cubes Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Squares & Cubes. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Answer : A
Explanation
Let √1296 = x2, Then ,x2=36 ∴ x =√36 = 6
Answer : D
Explanation
√10* √250= √10*250 = √2500 = 50
Answer : D
Explanation
√2ⁿ = 64= 2⁶⇒ 2ⁿꜘ2=2⁶⇒n/2=6 ⇒ n=12.
Answer : C
Explanation
√36.1/102.4 = √361/1024 = √361/ √1024 =19/32
Answer : D
Explanation
√0.441/√0.625 = √441/625 =21/25= 0.84 [As, No. of decimel places in Nr = no.of decimal places in dr]
Q 6 - if √1369 + √0.615+x = 37.25, Then the value of x is
Answer : D
Explanation
√1369 +√ 0.615+x= 37.25 ⇒√ 0.615+x= 0.25 =25/100 =1/4 ⇒ 0.615+x=1/16 ⇒ 0.615*16+16x=1 ⇒ 615/10000*16+16x=1 ⇒ 16x =1-123/125= 2/125 ⇒ x= (2/125*1/16) = 1/1000 = 1/(10)3
Q 7 - if √1296 = 36 , then the value of (√12.96 + √0.1296 + √0.001296 + √0.00001296 is:
Answer : B
Explanation
Given Exp . = √1296/100 + √1296/10000 +√1296/ 1000000+ √1296/100000000 =(36/10+ 36/100+36/1000+ 36/10000 ) =(3.6+0.36+0.036+0.0036)= 3.9996.
Answer : D
Explanation
3√5+√25*5= 17.84 ⇒3√5+5√5 =17.84 ⇒8√5= 17.84 ⇒√5= 2.33
Answer : A
Explanation
7/(3+√2)= 7/(3+√2)*(3-√2)/(3-√2) =7*(3-√2)/(9-2)=(3-√2) = (3-1.414)=1.58
Q 10 - In a school teacher agree to subscribe as many rupees as there are subscribes. The Total subscription being Rs. 324 , the number of subscribers?
Answer : A
Explanation
Let the number of subscribers be x. then, x =324 ⇒ x=√324= 18 number of subscribers =18
aptitude_squares_cubes.htm
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