Learn and practice Aptitude questions and answers with explanation for interview, competitive exam (Pariksha Corner )

Friday, November 23, 2018

when arranged in descending order is

The fractions $$\frac{7}{11},\frac{16}{20},\frac{21}{22}$$ when arranged in descending order is
A$$\frac{7}{11},\frac{16}{20},\frac{21}{22}$$
B$$\frac{21}{22},\frac{7}{11},\frac{16}{20}$$
C$$\frac{21}{22},\frac{16}{20},\frac{7}{11}$$
D$$\frac{7}{11},\frac{21}{22},\frac{16}{20}$$
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Who invented telephone ?

Who invented telephone ?
AThomas Alva Edison
BGalileo
CAlexander Graham Bell
DG. Marconi
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Albert Einsten was a famous

Albert Einsten was a famous
APhysician
BChemist
CPhysicist
DBiologist
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The steam engine was invented by

The steam engine was invented by
AJames Watt
BJames Prescott Joule
CNew Commen
DG. Marconi
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The radius of a right circular cone is 3 cm and its height is 4 cm

The radius of a right circular cone is 3 cm and its height is 4 cm. The curved surface of the cone will be
A$$12 \pi \text{ sq.cm}$$
B$$15 \pi \text{ sq.cm } $$
C$$18 \pi \text{ sq.cm }$$
D$$ 21 \pi \text{ sq.cm} $$
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The sides of a triangle are in the ratio 3:5:7 and its perimeter is 30 cm.

The sides of a triangle are in the ratio 3:5:7 and its perimeter is 30 cm. The length of the greatest side of the triangle in cm is
A6
B10
C14
D16
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A horse is tied to a peg hammered at one of the corner of a rectangular grass field of 40 m by 24 m by a rope 14 m long. Over how much area of the field can the horse graze ?

A horse is tied to a peg hammered at one of the corner of a rectangular grass field of 40 m by 24 m by a rope 14 m long. Over how much area of the field can the horse graze ?
A154 sq m
B308 sq m
C240 sq m
D480 sq m
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