Math Chapter Wise

EnglishPGT 2010

Q101.A polygon has 170 diagonals. How many sides will it have?

A12 B17 C20 D2

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EnglishPGT 2009

Q102.How many words can be formed by the word VOWELS if word starts from E?

A12 B5 C120 D240

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EnglishPGT 2009/TGT 2011

Q103.The number of ways in which 5 male and 2 female members of a committee can be seated around tables so that the two females are not seated together is?

A480 B600 C720 D840

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EnglishPGT 2005

Q104.The chances of throwing 6 with 4, 3 or 2 dice respectively are in the ratio of

A1: 6: 18 B1: 3: 9 C2: 3: 4 D1: 2: 3

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EnglishPGT 2005

Q105.The value of r 1 P! = ∑ n r r is

A2n B2n/–1 C2n–1 D2n/+1

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EnglishPGT 2005

Q106.Let Tn denote the number of triangles which can be formed joining the vertices of a regular polygon of n sides. If Tn+1–Tn = 21, then n equals

A5 B7 C6 D4

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EnglishPGT 2005

Q107.The total number of words which can be formed out of the letters, a, b, c, d, e, f taken three together, each word containing at least one vowel, is

A48 B96 C32 D16

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EnglishPGT 2004

Q108.3 bulbs are chosen at random from 20 bulbs, out of which 4 are defective. The probability that the room is lighted, will be

A282/285 B283/285 C284/285 DNone of the above

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EnglishPGT 2004

Q109.If in the expansion of (1 + x)20, the coeffecients of rth and (r + 4)th terms are equal, then the value of r is?

A7 B8 C9 D10

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EnglishPGT 2004/ TGT 1999

Q110.Number of triangles formed by joining 12 points, 7 to which lie on a straight line is

A220 B185 C792 DNone of the above

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EnglishPGT 2004

Q111.The coefficient of t24 in the expansion of (1 + t2)12 (1 + t12) (1 + t24) is

A12 6 3 C + B12 6 C C12 6 1 C + D12 6 2 C +

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EnglishPGT 2000

Q112.Every body in a room shakes hands with everybody else. The total number of handshakes is 66. The total number of persons in the room is:

A12 B11 C14 D13

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EnglishRajasthan TGT 2016

Q113.Probability that a leap year selected at random containing 53 Sundays, is equal to

A53/365 B1/7 C2/7 D1/365

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EnglishRajasthan TGT 2016

Q114.A problem is given to three students X, Y and Z whose chances of solving it are 1 1, 2 3 and 1 4 respectively. The chance that the problem will be solved, is equal to

A1/4 B1/2 C3/4 D1/3

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EnglishRajasthan TGT 2016

Q115.A coin is tossed 4 times. The probability that atleast one head turns up, is

A1/16 B1/4 C15/16 D1/2

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EnglishRajasthan TGT 2016

Q116.If the letters of the word 'DANGER' be permuted in all possible ways and the words formed by arranged as in a dictionary, then the rank of the word 'GANDER" is

A372 B373 C393 D593

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EnglishRajasthan TGT 2015

Q117.If x x 3 x 2 P C 14x, then x is equal to

A5 B10 C8 D6

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EnglishRajasthan TGT 2015

Q118.X speaks truth in 75% cases and Y in 80% cases. What is the probability that they contradict each other in stating the same fact?

A7/20 B13/20 C3/20 D1/5

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EnglishRajasthan TGT 2015

Q119.Two integers are selected at random from integers 1 to 11. If sum of both is even, then the probability of both the integers being odd is

A1/5 B2/5 C3/5 D4/5

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EnglishRajasthan TGT 2013

Q120.What is the total number of ways in which a five digit number divisible by 3 can be formed using the digits 0, 1, 2, 3, 4, 5 without repetition?

A216 B240 C576 D625

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