1. The value of (0.1 x 0.1 x 0.1 + 0.02 x 0.02 x 0.02) / (0.2 x 0.2 x 0.2 + 0.04 x 0.04 x 0.04) is

6130- Option : D
- Explanation : (0.1 x 0.1 x O.l + 0.02 x O.02 x O.02)/(0.2 x 0.2 x 0.2 + 0.04 x O.04 x O.04) =(0.001 + 0.000008)/(0.008 + 0.000064) = 0.001008 / 0.008064 = 1/8 = 0.125

2. The statement obtained by interchanging the 'premise' and 'conclusion' of a theorem is called

6145- Option : A
- Explanation : A converse of a theorem is a statement formed by interchanging what is given in a theorem and what is to be proved.

6146

- Option : D
- Explanation : Total literate = 25% of 1000 =250. Male = 60% of 1000 = 600. Female = 40% of 1000 = 400. Male literate = 20% of 600 = 120. ∴ Female literate = 250 - 120 = 130. ∴ Required percentage = 130/400 xl00 % = 32.5%

4. Which of the following relations is wrong?

6158- Option : B
- Explanation : Since, 1 centimetre

=10^{-3}decametre.

so 1 centimetre =10^{-2}decametre is

wrong.

6161

- Option : D
- Explanation : Let the marked price = 100 Rs. Cost price = 64 Rs. Selling price after 12% discount =100 -12% of 100 = 88 Rs. Profit Percentage =(88-64)/64 x l00 = 24/64 xl00 =375%

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- one word substitution (अनेक शब्दों के लिए एक शब्द)
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- Unseen Pessage 2 ( अपठित गद्यांश और पद्यांश )
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Practice Quiz