Math Chapter Wise

EnglishOAVS TGT 2019

Q141.The sum of two digit number and the number formed by interchanging the digits is 132, if 12 is added to the number then the new number becomes 5 times the sum of the digits. The number is:

A84 B46 C64 D48

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EnglishOAVS TGT 2019

Q142.If every sides of a triangle is doubled then increase in the area of the triangle is:

A400% B200% C100% D300%

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EnglishOAVS TGT 2019

Q143.For every natural number n, which of the following is satisfied:

An ≥ 2n Bn > 2n Cn = 2n Dn < 2n

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EnglishOAVS TGT 2019

Q144.If n is a positive integer and (n+1)(n+3) is odd, then (n+2)(n+4) must be a multiple of which one from the following:

A16 B5 C8 D3

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EnglishOAVS TGT 2019

Q145.The following pie-charts show the percentage- wise distribution of students appeared for six different subjects for two A and B. Study the charts and answer the questions 102 to 104: The number of students in English in both the examination is approximately what percentage of the number of students in Mathematics in both the examination?

A67% B68% C69% D70%

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EnglishOAVS TGT 2019

Q146.If n is a natural number then 92n –42n is always divisible by:

AOnly 36 BBoth 5 and 13 COnly 5 DOnly 13

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EnglishOAVS TGT 2019

Q147.A cube of side two meter length is cut into small cubes of side 20 cm each. How many such small cubes can be obtained?

A1 B1000 C100 D10

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EnglishOAVS TGT 2019

Q148.The parameter of a square is equal to the perimeter of a rectangle of length 15 cm and breadth 10 cm. the circumference of a semicircle whose diameter is equal to the side of the square is equal to: (π = 3.143)

A18.858 cm B19.858 cm C16.858 cm D20.858 cm

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EnglishOAVS TGT 2019

Q149.If () –2 –n/2 n 2 n 3m 3 9 3 3 – 27 1 = 27 3 2 then m and n is related by:

Am = n Bm – n = 1 Cmn = 1 Dm + n = 1

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EnglishOAVS TGT 2019

Q150.If the HCF of 210 and 55 is expressed in the form 210x5 + 55y, then the value of y is

A–19 B– 17 C19 D17

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EnglishOAVS TGT 2019

Q151.The value of 1 1 1 1 – + – 3– 8 8 – 7 7 – 6 6 – 5 1 + 5 –2 is equal to:

A5 B3 C2 D1

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EnglishOAVS TGT 2019

Q152.The three vertices of a parallelogram taken in order are (–1, 0), (3, 1) and (2, 2) respectively. The coordinate of fourth vertex is:

A(1, 2) B(–1, 2) C(–2, –1) D(–2, 1)

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EnglishOAVS TGT 2019

Q153.What will be total cost (in ` ` `) of polishing curved surface of a wooden cylinder at rate of ` ` 25 per sq.m, if it has 30 cm diameter and 7m height?

A200 B185 C165 D175

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EnglishOAVS TGT 2019

Q154.The perimeter of a triangle field is 450m and the sides are in the ratio 13:12:5, the area of triangle is:

A6750m2 B6000m2 C6250m2 D6500m2

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EnglishOAVS TGT 2019

Q155.The length of side of triangle are 5cm, 12cm, 13 cm. The length of perpendicular from the opposite vertex to the side whose length is 13 cm is:

A50 cm 13 B60 cm 13 C40 cm 13 D70 cm 13

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EnglishOAVS TGT 2019

Q156.If 6n – 5n is divisible by 25 then it always leave the remainder:

A0 B1 C3 D2

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EnglishOAVS TGT 2019

Q157.The points (0, –1), (–2, 3), (6, 7) and (8, 3) are:

ACollinear points BVertices of a parallelogram which is not a square CVertices of a Trapezium but not a parallelogram DVertices of a parallelogram which is not a rectangle

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EnglishDSE TGT 2019

Q158.Three equal circles of radius 12 cm are placed such that each of them touches other two circles. The approximate area common to circles and triangle obtained by joining their centers is

A150 sq. cm. B226 sq. cm. C176 sq. cm. D190 sq. cm.

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EnglishDSE TGT 2019

Q159.The diameter of a circular park is 40 metres. There is a 5 metres wide road surrounding the park. The cost of concreting the road at the rate of Rs. 7/sq. metres is

ARs.9350 BRs.4950 CRs.2556 DRs.3525

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EnglishDSE TGT 2019

Q160.If the volume of a sphere is divided by its surface area, the result is 27 cm. The radius of the sphere is-

A54 cm B12 cm C36 cm D81 cm

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