Math Chapter Wise

EnglishTGT 2011

Q461.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

Q462.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

Q463.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

Q464.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

Q465.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

Q466.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

Q467.The number 2 is-

ARational BIrrational CNatural DInteger

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EnglishTGT 2013

Q468.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

Q469.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

Q470.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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EnglishTGT 2013

Q471.The value of 1 1 1 1 1 3 8 8 7 7 6 6 5 5 2 − + − + − + − + − + − + − + − + − − − − − − − − − − − − − − − − − − − − Will be–

A5 B3 C2 D1

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EnglishTGT 2010

Q472.A takes twice much time as B, or thrice much time to finish a piece of work as C. Working together they can finish the work in 2 days. B can do the work alone in

A4 days B6 days C8 days D12 days

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EnglishTGT 2010

Q473.A man take ` ` `8000 loan from the bank with the certain rule. The first 5 year bank rate is 6%, next 3 year bank rates is 8% and next 4 year bank rate is 10% find how much interest returned the man in 12 year with simple interest:

A` 7500 B` 7505 C` 7520 D` 7000

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English` 2000 TGT 2010

Q474.Mohan opened a savings bank account on 5th Oct. 2007 by depositing ` ` ` 500. Again he deposited ` ` ` 500 on 7th Oct. 2007. After one week he deposited ` ` ` 1000 and on 15th Oct. 2007 he deposited ` ` ` 500. On how much amount will he get interest?

A` 500 B` 1000 C` 1500 DImage/formula option D (see source)

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EnglishTGT 2010

Q475.L.C.M. of (x3 +x2 +x+1) and (x3 +2x2 +x+2) is

A(x+1) (x2/+1)(x+2) B(x+1) C(x2/+1) D(x+1)(x2/+1)

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EnglishTGT 2010

Q476.For what value of k, H.C.F. of x2 +x–(2k+2) and 2x2 +kx–12 is x+4?

Ak = 2 Bk = 3 Ck = 4 Dk = 5

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EnglishTGT 2010

Q477.A car manufacturing company is manufacturing 70000 cars. If the production rate is 10% after how many years the production will be of 93170 cars?

A2 years B4 years C3 years D1 1 years 2

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EnglishTGT 2010

Q478.If 2 1 a 2 1 + = −; 2 1 b 2 1 − = + then a2 +ab +b2 is

A35 B34 C33 D32

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EnglishTGT 2010

Q479.The factors of 2 4 3x 5x 2 3 + − + − are

A(3 2)(4 3) x x − − B(3 2)(4 3) x x + − C(3 2)(4 3) x x − + DNone of these

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EnglishTGT 2010

Q480.If ax =b, by = c and cz = a, then value of xyz is

A1 B2 C3 DNone of these

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