Math Chapter Wise

EnglishTGT 2011

Q7101.'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

Q7102.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

Q7103.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

Q7104.The value of (log34) (log45) (log56) (log67) (log78) (log89) is–

A2 B7 C8 D33

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EnglishTGT 2011

Q7105.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

Q7106.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

Q7107.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

Q7108.The number of rational numbers existing between two unequal rational numbers is–

A2 B10 C15 Dinfinite

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EnglishUP PCS (Pre) 2009

Q7109.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

Q7110.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

Q7111.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

Q7112.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

Q7113.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

Q7114.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

Q7115.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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EnglishTGT 2013

Q7116.The difference between simple interest and compound interest on Rs. 1250 at 8% per annum for 2 years will be–

A` 8 B` 12 C` 15 D` 20

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EnglishTGT 2013

Q7117.The number 2 is-

ARational BIrrational CNatural DInteger

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EnglishTGT 2013

Q7118.If a loan of amount A is taken at the rate of r% annual interest and is to be repaid in 'n' installments, thus what will be the formula to find the annual installment?

AInstallment n A r 100 1 100 r = × − + BInstallment n A r 100 1 r = × − CInstallment n 100A r = DInstallment rnA 100 =

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EnglishTGT 2013

Q7119.The HCF of x2 – xy – 2y2 and 2x2 – xy – y2 is–

Ax–y Bx + y C2x–3y DNone of these

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EnglishTGT 2013

Q7120.If a bus covers a distance of 195 km in 3 hours and a train covers a distance of 300 km in 4 hours, then the ratio of their speeds will be–

A13: 12 B12: 13 C13: 15 D15: 13

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