GMAT GRE 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th grade math 8th grade math 9th grade math 10th grade math 11th grade math 12th grade math Precalculus Worksheets Chapter wise Test MCQ's Math Dictionary Graph Dictionary Multiplicative tables Math Teasers NTSE Chinese Numbers CBSE Sample Papers |
Math Puzzle 33Covid-19 has led the world to go through a phenomenal transition . E-learning is the future today. Stay Home , Stay Safe and keep learning!!! This math puzzle 33 is on radical,cyclic quadrilateral,sequence etc.1) A box contains five red marbles and seven white marbles. If one marble is drawn at random from the box, what is the probability that it is white? A. 1/5 B. 1/7 C. 5/7 D. 5/12 E. 7/12 2) If the n th term of a sequence is given by Tn = (-1)n 2n-1 , then which of the following could be the 9th term of the sequence? A. 256 B. 128 C. -128 D. -256 E. -512 3) In a system where there are 100 minutes in an hour and 100 seconds in a minute, how many seconds are there in an hour? A. 3600 B. 60 C. 100 D. 10000 E. 1/100 4) If (a + 3) (a + k) = a 2 + 5a + p, then which of the following could be value of k and p? A. k = 3, p = 3 B. k = 1, p = 6 C. k = 2, p = 6 D. k = 2, p = 5 E. k = -2, p = -6 5) A box of chocolates contains 12 hard centres and 8 soft centres. One chocolate is taken at random and eaten; then a second chocolate is taken. What is the probability the one is a hard centre and one a soft center? A. 24/95 B. 48/95 C. 12/19 D. 4/5 E. 16/95 6) What is the area of the rectangle whose vertices are (a, 2b), (a, -b), (-3a, -b) and (-3a, 2b)? A. ab B. 3ab C. 4ab D. 8ab E. 12ab 7)Refer to the following definition: For all positive integers x, X =√x . Which of the following equals 3? A. 3 B. 6 C. 9 D. 27 E. 81 8) If the sum of interior angles of a polygon is five times the sum of its exterior angles, how many sides are there? A. 9 B. 12 C. 15 D. 20 E. 24 9) Bag A contains 3 white and 2 red balls. Bag B contains 1 white and 3 red balls. A ball is taken at random from Bag A and placed in Bag B. A ball is then chosen from Bag B. What is the probability that the ball taken from Bag B is red? A. 3/5 B. 9/25 C. 6/25 D. 1/5 E. 7/25 10) Each angle of a cyclic quadrilateral is either 110 0 or 70 0 . This quadrilateral must be a A. Rhombus B. Trapezium C. Parallelogram D. Square E. None of the above From Math puzzle 33 to Math Teasers Home Covid-19 has affected physical interactions between people. Don't let it affect your learning.
More To Explore
|