Math Chapter Wise

EnglishRajasthan TGT 2011

Q441.Which of the following is not a convex set?

AImage/diagram option A BImage/diagram option B CImage/diagram option C DImage/diagram option D

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EnglishKVS TGT DEC 2017

Q442.If the numerator of a fraction is increased by 10% and denominator is decreased by 10%, then the percent reduction in the value of the fraction would be–

A10.5% B19.3% C22.2% D25.4%

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EnglishTGT 2013

Q443.Solution of the equation 6x + 7 4x + 5 = 3x + 2 2x + 3 Will be–

Ax = 1 B9 x 11 = − C11 x 9 − = Dx = 3

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EnglishTGT 2011

Q444.If 1 P 3Q 5R 15.S 1 3 5 + + + = + + + = + + + = + + + = + + then P the value of–

A7/11 B3/11 C−1/11 D−2/11

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EnglishTGT 2011

Q445.Rs. 53 is divided among A, B, C is such a way that 'A' gets Rs. 7 more than 'B', 'B' gets Rs.8 more than C. The ratio of their parts will be:

A16: 9: 18 B25: 18: 10 C18: 25: 10 D15: 8: 30

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EnglishTGT 2011

Q446.'A' and 'B' can do a piece of work in 12 days and 'C' & 'A' in 20 days. In how many days will 'A' alone do the work?

A2 15 3 B24 C30 D4

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EnglishTGT 2011

Q447.A person walks the first 50 km at a speed of 25km/h, the next 40 km at a speed of 20 km/h and the last 90 km at a speed of 15 km/h. The average speed of the entire journey will be–

A25 B20 C18 D40

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EnglishTGT 2011

Q448.A sum of money grows in 15 years at the rate of compound interest. It will become 8 times double.

AIn 30 years BIn 40 years CIn 45 years DIn 60 years

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EnglishTGT 2011

Q449.The value of (log34) (log45) (log56) (log67) (log78) (log89) is–

A2 B7 C8 D33

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EnglishTGT 2011

Q450.If a b c = 3 4 7 then the value of a + b + c c will be–

A7 B2 C1/2 D1/7

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EnglishTGT 2011

Q451.If A:B = 7:9 and B:C = 5:4 then A:B:C is–

A7: 45: 36 B35: 45: 36 C28: 36: 35 DNone of these

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EnglishUP PCS (Pre) 1994

Q452.The Product of two positive integers is 24 and their greatest common divisor is 2. Their least common multiple is:

A12 B24 C1 D2

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EnglishUP PCS (Pre) 1994

Q453.The number of rational numbers existing between two unequal rational numbers is–

A2 B10 C15 Dinfinite

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EnglishUP PCS (Pre) 2009

Q454.The sum ∑ 99 k=1 1 (k +1) k + k k +1 is equal to

A11/10 B−1/99 C−1 1/2 99 D9/10

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English(GIC) ØeJeòeâe hejer#ee, 2015

Q455.If 4 4 1 x 7 x, then 4 4 1 x? x

A3 5 B5 3 C3 D2 3

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EnglishTGT 2011

Q456.The sum of n terms of the series 1 1 1..........is – 3 7 7 11 11 15 + + + + + + + + + + + + + + + + + + + + + + + +

A3 4n 3 n + + Bn 3 4n 3 + + C3 4n 3/+ + D1 3 4n 3 + +

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EnglishTGT 2013

Q457.If 1 x + = 2 x then the value of 3 3 1 x + x will be–

A64 B16 C8 D2

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EnglishTGT 2013

Q458.The LCM of x2 – y2, x3 – y3 and x3 – x2 y – xy2 + y3 will be–

A(x +y) (x–y) (x2 + y2 + xy) B(x+y)2/(x–y)2 C(x+y) (x–y)2 (x2 +y2 +xy) D(x+y) (x–y)2 (x2 +y2 –xy)

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EnglishTGT 2013

Q459.P and R can do a work in 30 days P and Q can do the same work in 45 days while Q and R can do the same work in 60 days, then in how many days can only R do this work?

A45 day B48 day C64 day D72 day

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EnglishTGT 2013

Q460.The factors of x4 + x2 + 25 = 0 will be–

A(x2 + 3x + 5) and (x2 – 3x + 5) B(x2 + 3x + 5) and (x2 + 3x – 5) C(x2 + x + 5) and (x2 – x + 5) D(x2 + x + 5) and (x2 –x –5)

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