# Math Puzzle 34

This math puzzle 34 is on Algebra,sequence,equations etc.**1) If x**

I xy < 0

II yz < 0

III xz < 0

^{3}y^{4}z^{5}< 0, which of the following statement must be true?I xy < 0

II yz < 0

III xz < 0

A. I only B. II only C. III only D. I and III only

E. II and III only

**2) An isosceles triangle has sides 3 and 4. Which of the following could be the length of the third side?**

A. 3 or 4 B. 3 C. 4 D. 5 E. 12

**3) What is the radius of a circle whose diameter has endpoints (0, 7) and (0, -3)?**

A. √10 B. 5 C. 5√2 D. 10 E. 10√2

**4) Jim gets a salary hike from $80,000 per year to $100,000 per year and John gets salary hike from $100,000 per year to $ 120,000 per year. Their respective percentage hikes are**

A. 20 and 20 B. 20 and 16.7 C. 20 and 25 D. 25 and 20 E. 25 and 25

**5) The value of the n th term of a sequence is given by the expression a**

I 4

II 3

III -3

^{2n}-2. If the second term of the sequence is 79, then which of the following could be the value of a?I 4

II 3

III -3

A. I only B. II only C. III only D. I and II only

E. II and III only

**6) Which of the following equations has x = - 3 as one root?**

I x - 3/x = 0

II x

III x

I x - 3/x = 0

II x

^{2}+ x - 6 =0III x

^{2}+ 9 = 0A. I only B. II only C. III only D. I and II only

E. II and III only

**7) 3/7th of a candle lasts for 30 minutes, how many minutes will a full candle last?**

A. 30 B. 40 C. 52.5 D. 60 E. 70

**8) If m**

^{n}= 0.64m^{n+2}, then what is m?A. 4/5 B. 5/4 C. 1 D. 25/16 E. 5

**9) If (3t + c)**

^{2}= 9t^{2}- 12t + c^{2}then c =?A. 2 B. -2 C. 3 D. 1 E. -6

**10) How many spheres of radius 2 can be stacked in a cylindrical vessel of radius 2 and height 8?**

A. 2 B. 3 C. 4 D. 5 E. 9

From Math puzzle 34 to Math Teasers

Home