A. 4/15 B. 1/5 C. -3/5 D. -2/5 E. -12

B (-6, -3), then what is the ratio of x: y?

A. 1 B. -2 C. 3 D.1/2 E. 1/3

A. 21 B. 24 C. 30 D. 33 E. 63

A. 5 B. 6 C. 7 D. 9 E. 11

P: 6, 4,1,1,6,6

Q: 2,3,6,3,2,7,2

R: 5,7,9,2,6,5

Select the correct statement from among the following

A. Mean of P is equal to mean of Q is equal to mean of R

B. Median of Q is equal to mean of R is equal to mode of P

C. Mean of P is equal to median of Q is equal to mode of R

D. Median of P is equal to mode of Q is equal to mean of R

E. Mode of P is equal to median of Q is equal to mean of R.

Months |
Per dozen |

May | $3.00 |

June | $3.30 |

July | $3.20 |

A. $ 2.00 B. $ 2.20 C. $ 2.35 D. $ 2.40 E. $ 2.42

Marks |
X | Y | Z |

Frequency |
5 | 10 | 20 |

Which of the following can be the mean marks of the class?

A. x+2y+4z/7 B. x+2y+4z/5 C. x+2y+4z D. 5x+10y+20z E. 5x+10y+20z/7

I the mode

II the median

III the mean

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

A. 5 B. 20 C. 120 D. 240 E. 720

A. 1/3 B. 1/6 C. 12/24 D. 3/24 E. -3/24

The number is odd

The number is a prime

The number is a multiple of 3

. If each number satisfies exactly one of the conditions which if the following of could be the combination to the lock?

A. 3 - 6 -1 B. 2 - 6 - 5 C. 1 - 3 - 9 D. 3 - 6 - 9

E. 5 - 6 - 9

From math puzzle 22 to Math Teasers

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