Fractions
 The place value of 3 in 0.07359 is ?

 3
 3/100
 3/1000
 3/10000

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The place value of 3 in the given decimal fraction is .003 i.e. 3/1000.
Correct Option: C
The place value of 3 in the given decimal fraction is .003 i.e. 3/1000.
 By how much is 12% of 24.2 more than 10% of 14.2 ?

 0.1484
 14.84
 1.484
 2.762

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Required difference = (12 x 24.2) / 100  (10 x 14.2) / 100
= 2.904 1.42
= 1.484.Correct Option: C
Required difference = (12 x 24.2) / 100  (10 x 14.2) / 100
= 2.904 1.42
= 1.484.
 3.5 + 21 x 1.3 = ?

 7.28
 6.13
 72.8
 none of these

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Given Expression = 3.5 + 21 x 1.3
= 3.5 + 27.3
= 30.8Correct Option: D
Given Expression = 3.5 + 21 x 1.3
= 3.5 + 27.3
= 30.8
 What decimal fraction is 40 ml of a litre ?

 .4
 .04
 .05
 None of these

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Required fraction = 40/1000
Correct Option: B
Required fraction = 40/1000
= 4/100
= .04
 If the cost of three dozens mangoes is Rs. 245, what will be the approximate cost of 363 mangoes ?

 Rs. 2200
 Rs. 2000
 Rs. 2400
 Rs. 2600

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∵ Three dozen = 3 x 12 = 36
∴ The cost if 1 mango = Rs. 245/36Correct Option: C
∵ Three dozen = 3 x 12 = 36
∴ The cost if 1 mango = Rs. 245 / 36
∴ The cost of 363 mangoes = Rs. (245 / 36) x 363
= Rs. 2470.42
= Rs. 2400. (Approximately)