# Math Puzzle 35

**Covid-19 has led the world to go through a phenomenal transition .**

**E-learning is the future today.**

**Stay Home , Stay Safe and keep learning!!!**

**1) A copper wire is bent in the form of a circle that encloses an area of 2401 Π . If the same wire is bent to from a square, then the area of the square is**

A. 309 B. 2539 C. 5000 D. 5929 E. 6000

**2) The mean of 30 numbers is 66. If 20 of these numbers are increased by 5 and the remaining numbers are each decreased by 4, then find the mean of the new set of numbers.**

A. 33.3 B. 66 C. 68 D. 99.3 E. Insufficient data

**3) If √3**

^{x}= 729, what is x?A. 1/12 B. 3 C. 6 D. 9 E. 12

**4) If x/y =3/2 and 4x - 3y = 6, then what is x?**

A. -3 B. 1 C. 2 D. 3 E. 4

**5) If x + (1/x) = 2, then x**

^{2}+ (1/x^{2}) =?A. 2 B. 4 C. 1/2 D. -2 E. 0

**6) The smallest number which when divided by 56 and 80 respectively leaves a remainder of 9 is**

A. 89 B. 121 C. 289 D. 569 E. 1129

**7) From a bag of 25 coins, Mary received 1/3 of the coins, John received 2/5 of the balance and Andy received all the other coins left in the bag. If Andy got 30 coins, how many coins did Mary receive?**

A. 15 B. 20 C. 25 D. 30 E. 35

**8) What is the remainder when 7 49 is divided by 10?**

A. 0 B. 1 C. 3 D. 7 E. 9

**ODD MAN OUT**

**9) A) Sun B) Moon C)Venus D)Mars E)Earth**

**10) A)milk B)Syrup C)Squash D)Tea E)Cake**

From Math puzzle-35 to Math Teasers

Home

**Covid-19 has affected physical interactions between people.**

**Don't let it affect your learning.**