Math Chapter Wise

EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q61.A bag contains 6 red and 4 green balls. A ball is drawn at random from the bag. Find the probability that it is either a red ball or a green ball.

A1 B3 C1/2 D5

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q62.Seven persons are to be seated in a row. The probability that two particular persons sit next to each other is–

A1/3 B1/6 C2/7 D1/2

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q63.For any event E, if P(E) = 0.999, find the value of P(not E).

A0.1 B0.01 C0.001 DNone of these

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EnglishDSSSB TGT/PGT (SECTION-B) 28 DEC 2014 KVS TGT 2007

Q64.The remainder when the sum of 0! 1! 2!... 99! 100!, divided by 12 is–

A6 B5 C11 D10

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q65.If there are 12 persons in a party and if each of them shake hands with each other, then number of hand shakes in party are–

A66 B48 C72 D132

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q66.A five digit number is formed by using the digits 1,2,3,4,5 is a random order without repetitions. Then the probability that the number is divisible by 4 is–

A3/5 B18/5 C1/5 D6/5

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EnglishDSSSB PGT/TGT (SECTION-B) 28 DEC 2014 UPTGT 2004

Q67.A coin is tossed 3 times. The probability of getting head and tail alternatively is–

A1/4 B1/8 C1/2 D3/8

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q68.In a school there are 20 teachers who teach mathematics or physics. Of these, 12 teach mathematics and 4 teach both physics and mathematics How many teach only physics?

A12 B8 C16 DNone of these

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EnglishSECTION B PGT TIER-I 31.11.2014

Q69.In a town of 840 persons, 450 persons read Hindi,300 read English and 200 read both. Then the number of persons who read neither is–

A210 B180 C260 D290

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EnglishSECTION B (TGT & PGT) TIER-I 31.11.2014

Q70.The value of 1 2 3 9 10C 10C 10C... 10C is–

A210 B211 C210/– 2 D210/–1

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EnglishSECTION B PGT TIER-I 31.11.2014

Q71.Everybody in a room shakes hands with everybody else. The total number of handshakes is 66. The total number of persons in the room is–

A11 B12 C13 D14

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EnglishSECTION B PGT TIER-I 31.11.2014 TGT 2001

Q72.The total number of 9 digit numbers which have all different digits is–

A10! B9! C9 × 9! D10 × 10!

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EnglishSECTION B (TGT & PGT) TIER-I 31.11.2014

Q73.The sum n n r r 1 C C is equal to–

An 1 r C Bn r 1 C Cn 1 r 1 C DNone of these

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EnglishSECTION B PGT TIER-I 31.11.2014

Q74.In a leap year the probability of having 53 Sundays or 53 Mondays is–

A2/7 B3/7 C4/7 D5/7

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EnglishSECTION B PGT TIER-I 31.11.2014

Q75.The probability that in a family of 5 members, exactly two members have birthday on Sunday, is–

A3 5 12 2 7 B2 5 10 6 7 C2/5 D3 5 10 6 7

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EnglishSECTION B PGT TIER-I 31.11.2014

Q76.If the events A and B are independent, then P(A B) is equal to –

AP(A) P(B) BP(A) P(B) CP(A).P(B) DP(A) P(B)

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EnglishSECTION B PGT TIER-I 31.11.2014

Q77.A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random without replacement the probability of getting exactly one red ball is–

A45/196 B135/392 C15/56 D15/29

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EnglishJDD-75-PGT TIER II-X-15 28.06.2015

Q78.There are 10 lamps in a hall. Each of them can be switched on independently. The number of ways in which the hall can be illuminated is–

A2/10 B10/2 C1023 Dnone of these

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EnglishJDD-75-PGT TIER II-X-15 28.06.2015

Q79.How many diagonals can be drawn in a polygon of n sides?

A() n n 1 2 − B() n n 1 2 + C() n n 3 2 − D() n n 3 2 +

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EnglishJDD-75-PGT TIER II-X-15 28.06.2015

Q80.lf the number of diagonals of a 'n' sided polygon is equal to twice of its sides, then the value of n is equal to –

A7 B10 C5 DNone of these

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