Practice CSS questions with answers and explanations.
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The terms are factorials: 1!, 2!, 3!, and 4!.
The next term is 5! = 120.
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Each term advances by three alphabet positions.
K plus three letters gives N.
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Each term is obtained by doubling the previous term and adding 1.
Thus, 31 × 2 + 1 = 63.
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The letter positions are 1, 4, 9, and 16, which are perfect squares.
The next square is 25, corresponding to Y.
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The discount is 15% of Rs. 2,000, which is Rs. 300.
The sale price is Rs. 2,000 - Rs. 300 = Rs. 1,700.
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The selling price is 80% of the marked price.
Thus, marked price = 960 ÷ 0.80 = Rs. 1,200.
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After a 10% discount, 90% remains; after another 20%, 80% of that remains.
The final price is 72%, so the total discount is 28%.
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Sales tax is 12% of Rs. 5,000, or Rs. 600.
The total payable amount is Rs. 5,600.
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Let cost be 100; marked price is 125 and sale price is 90% of 125 = 112.5.
The profit is 12.5 on a cost of 100.
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Commission is 6% of total sales.
Thus, 0.06 × 250,000 = Rs. 15,000.
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Simple interest is PRT/100.
So 5,000 × 8 × 3 ÷ 100 = Rs. 1,200.
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The taxed price is 115% of the original price.
So the original is 2,300 ÷ 1.15 = Rs. 2,000.
