Math Chapter Wise

EnglishPGT 2005

Q421.If (())) ((()) 5 5 1 2 log 13 / 2 log 9 2 1 27 − = K then K is equal to

A3/ 2 3/16 3 9 − × B3/ 2 7/16 3 13 − × C3/ 2 5/16 3 13 − × D3/ 2 3/16 3 13 − ×

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EnglishPGT 2000

Q422.If (())) ((())) ((()) 2 2 Px q 1 3 2x 3 2x 3 2x 3 + = + − − − Then:

Ap=2, q=0 Bp=0, q=0 Cp=2, q=1 Dq=0, p =1

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EnglishRajasthan TGT 2016

Q423.If each edge of a cube is increased by 50%, then increase in its surface area will be

A50% B75% C100% D125%

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EnglishRajasthan TGT 2016

Q424.Which of the following statements are correct? A. The sum and difference of any two irrational numbers need not be irrational. B. Product of any two irrational numbers is irrational. C. For any two distinct irrational numbers a and b, the number a b is irrational.

AA,B and C BA and B only CB and C only DOnly A

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EnglishRajasthan TGT 2016

Q425.Sum of an integer and its square is

Aalways an odd number Balways an even number Calways prime number DNone of these

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EnglishRajasthan TGT 2016

Q426.The number 1452 1872 is

ANatural number BInteger CRational number DIrrational number

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EnglishRajasthan TGT 2016

Q427.The digit in the unit position of the integer 1! 2! 3!..... 99! + + + + + + + + + + + + + + + + is

A7 B3 C1 D0

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EnglishRajasthan TGT 2016

Q428.The value of (256)0.16.(16)0.18 is

A4 B16 C64 D128

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EnglishRajasthan TGT 2016

Q429.The number of integers n(>1), such that n, n+2, n+4 are all prime numbers, is/ (>1)

Amore than two, but finite Binfinite Ctwo Done

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EnglishRajasthan TGT 2016

Q430.The remainder, when 5928 is divided by 7 is

A6 B4 C2 D1

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EnglishRajasthan TGT 2016

Q431.In given figure, if AC=BD then

AAB = BC BAC = CD CAB = CD DBC = CD

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EnglishRajasthan TGT 2016

Q432.In the given figure AB || CD|| EF and GH||KL, then value of θ is

A850 B1450 C1200 D1550

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EnglishRajasthan TGT 2016

Q433.The point of concurrency of medians of a triangle is known as

AIncentre BCircumcentre COrthocentre DCentroid

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EnglishRajasthan TGT 2016

Q434.The area of a triangle with two sides 8cm and 11 cm and perimeter 32 cm, is equal to

A8sq. cm. B30 sq. cm. C8 30 sq. cm. D30 8 sq. cm.

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EnglishRajasthan TGT 2016

Q435.In the given figure, O is the centre of the circle. If chord BC is extended up to P, then ∠ ∠ ∠DCP is equal to

A600 B700 C800 D1100

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EnglishRajasthan TGT 2016

Q436.If the area of an isosceles right angled triangle is 8sq.cm., then its perimeter is equal to

A() 8 2 cm + B() 8 4 2 cm + C() 4 8 2 cm + D−( )/8 4 2 cm

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EnglishRajasthan TGT 2016

Q437.If in a triangle, the radius of the circumcircle is double the radius of the inscribed circle, then the triangle is

Aequilateral Bisosceles Cright angled DNone of these

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EnglishRajasthan TGT 2016

Q438.The area of a circle is halved when its radius is decreased by 'n', then radius of circle is

An 2 2 1 − unit Bn 2 1 − unit C2n 2 1 − unit Dn 2 2 1 + unit

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EnglishRajasthan TGT 2011

Q439.If the product of n positive numbers is 1, then the sum of these numbers will never be less than

A1 Bn Cn2 Dn/2

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EnglishRajasthan TGT 2011

Q440.The standard deviation of first n natural numbers is

A2 n 1 12 + B2 n 1 12 − C2 n 1 12 + D2 n 1 12 −

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