Elementary Mathematics || Quiz-24 || CDS

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Question 1

If then what is the value of x?

• A3/2
• B1/2
• C-1/2
• D-3/2

Question 2

If , then what is the value of?

• A2
• B1
• C3/2
• D5/3

Question 3

If a + b = 1 and ab = −6 then what is the value of a³ + b³?

• A17
• B15
• C19
• D13

Question 4

If x = √5 + 1 and y = √5 − 1, then what is the value of (x²/y²) + (y²/x²) + 4[(x/y) + (y/x)] + 6?

• A31
• B23√5
• C27√5
• D25

Question 5

If p, q, r, s are proportional to each other such that, then find the value of.

• A
• B
• C0
• D1

• 1440 attempts
• 5 upvotes
• 14 comments