A. 9 min

B. 8 min

C. 4 min

D. 6 min

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**ANSWER: B. 8 min Solution: Tank can be filled by pipe A in 12 minutes and pipe B in 24minutes.=> Part filled by A in 1 minute= 1/12=> Part filled by B in 1 minute= 1/24=> Part filled by both in 1 minute= 1/12 + 1/24= 3/24=1/8Time taken to fill the entire tank = 8 minutes**

(a/b)

A. 3

B. 3.5

C. 4

D. 4.5

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**ANSWER: D. 4.5 SolutionUse the formula, a**

A. 99.6

B. 96.2

C. 97.5

D. 98.25

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**ANSWER: B. 96.2 SolutionUse the formula,CP= 100 – discount + brokerage%CP= 100-4+1/596.2Thus the CP is Rs 96.2.**

A. 48 paise

B. 62 paise

C. 54 paise

D. 26 paise

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**ANSWER: A. 48 paise SolutionLet 200 gm potato cost X paiseAccording to question, Cost of ¼ Kg potato = 60 Paise=> Cost of 250 gm potato = 60 Paise => 1 Kg = 1000 gm => 1/4 Kg = 1000/4 gm = 250 gmBy direct proportion, more quantity, more cost200 grams : 250 grams = X : 60=> 200*60 = 250 X=> 12000 = 250 X=> X = 48=> Thus, the cost of 200 grams is 48 paise.**

1,5,11,17,23,29

A. 29

B. 17

C. 11

D. 1

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**ANSWER: D. 1 Solution:All the given numbers are prime numbers.1 is not a prime number because it is divisible by only one factor that is 1.**

2 , 3 , 6 , 0 , 10, -3 , 14...

A. 6

B. 2

C. -2

D. -6

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**ANSWER: D. -6 SolutionThere are two series in the question1. Add 4 : 2+3 = 6, 6+4 = 102. Subtract 3 : 3-3 = 0, 0-3 - -3Thus, following the series: -3-3 = -6**

A. 4:3

B. 3:4

C. 4:5

D. 5:4

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**ANSWER: A. 4:3 **

A. 2/3

B. 1/3

C. 1/9

D. 3/9

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**ANSWER: C. 1/9 SolutionPossible event = 6*6 = 36Favourable outcomes= {(3, 6), {4, 5}, {5, 4}, (6, 3)}Thus probability; favourable/total= 4/36=> 1/9**

A. 30 deg

B. 60 deg

C. 90 deg

D. 45 deg

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**ANSWER: D. 45 deg **

(723+1992)

A. 4

B. 33

C. 6

D. 1

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**ANSWER: A. 4 SolutionUse the formula(a+b) **

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