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UPSC CDS
IMPORTANT
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How many quadratic equations have the sum of their roots equal to the product of their roots?

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Important Questions on UPSC CDS (I) Previous Year Paper 2022

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UPSC CDS
IMPORTANT
UPSC CDS Previous Year Papers>Chapter 11 - UPSC CDS (I) Previous Year Paper 2022>Elementary Mathematics>Q 86
If x=1-cosθ+sinθ1+sinθ then what is sinθ+cosθ-1cosθ equal to?
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UPSC CDS
IMPORTANT
UPSC CDS Previous Year Papers>Chapter 11 - UPSC CDS (I) Previous Year Paper 2022>Elementary Mathematics>Q 87
If cosx+y=0 and sinx-y=12, where x,y∈0,π2, then what is the value of cot2x-y?
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UPSC CDS
IMPORTANT
UPSC CDS Previous Year Papers>Chapter 11 - UPSC CDS (I) Previous Year Paper 2022>Elementary Mathematics>Q 88
What is the minimum value of sin4θ+cos4θ-2sin2θcos2θ?
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UPSC CDS
IMPORTANT
UPSC CDS Previous Year Papers>Chapter 11 - UPSC CDS (I) Previous Year Paper 2022>Elementary Mathematics>Q 89
If cos θ+sec θ-2=0, where 0≤θ<π2, then what is the value of cos4θ+sec4θ-2?
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UPSC CDS
IMPORTANT
UPSC CDS Previous Year Papers>Chapter 11 - UPSC CDS (I) Previous Year Paper 2022>Elementary Mathematics>Q 90
If y=cos2x+sec2x, where 0≤x<π2, then which one of the following is correct?
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UPSC CDS
IMPORTANT
UPSC CDS Previous Year Papers>Chapter 11 - UPSC CDS (I) Previous Year Paper 2022>Elementary Mathematics>Q 91
If α and β are the roots of the quadratic equation x2+αx+β=0, where β≠0, then what is the value of α-β?
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UPSC CDS
IMPORTANT
UPSC CDS Previous Year Papers>Chapter 11 - UPSC CDS (I) Previous Year Paper 2022>Elementary Mathematics>Q 92
A shopkeeper marks the price of an article at ₹200. After allowing a discount of 10%, he still gains 20% on the cost price. What is the cost price of the article?
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UPSC CDS
IMPORTANT
UPSC CDS Previous Year Papers>Chapter 11 - UPSC CDS (I) Previous Year Paper 2022>Elementary Mathematics>Q 93
A person borrowed ₹9,000 at 7%, ₹12,000 at 8% and ₹15,000 at 9% simple interest per annum. He had to pay ₹50,700 at the end of n years. What is the value of n?