Maths Series Questions with Answers
If each edge of a cube is reduced by 25 percent, find the ratio of the volume of the original cube and the resulting cube?
(A) 8:1
(B) 27:64
(C) 64:1
(D) 64:27
Correct Answer : C
The vertices of the 1 cm side are cut from each corner of a square with a side of 4.5 cm. Find the circumference and area of the octagon formed?
(A) $$ {5\sqrt{2}}{\ cm};{18.25{\ cm^{2}}}$$
(B) $$ {(5+4\sqrt{2})}{\ cm}; {18.25 \ cm^{2}}$$
(C) $$ {(10+4\sqrt{2})}{\ cm}; {18.25 \ cm^{2}}$$
(D) 16 cm and 16 sq.cm
Correct Answer : C
Find the value of $$ {^3\sqrt{\sqrt{.000064}}}$$.
(A) 0.002
(B) 0.0002
(C) 0.2
(D) 0.02
Correct Answer : C
Two numbers are in the ratio x : y . If 2 is added to both numerator and denominator , the fraction becomes $$ 1\over2$$. Find the value of x + y .
(A) 2
(B) 3
(C) 4
(D) 5
Correct Answer : D
The average weight of 10 parcels is 1.7 kg. The average weight is reduced by 60 grams when a new parcel is added. How much is the weight of the new parcel?
(A) 1.04
(B) 1.08
(C) 1.4
(D) 1.8
Correct Answer : A
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Vikram Singh
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