Brain o-maths
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This document provides the rules for a math and mathematical reasoning quiz: - Participants get 10 points for a correct answer and lose 5 points for an incorrect answer. - Participants must raise their hand to answer and only the first two people to raise their hand can attempt each question. - Participants must answer if they raised their hand for a question. The document then provides 15 sample math and reasoning questions in multiple choice format for the quiz.
Brain o-maths
- 1. MATHS & MATHEMATICAL RESONING
- 2. RULES :- 10 points for correct answer & -5 for wrong answer For answering, you have to raise your hand first If first one to answer is wrong, chance would be given to the second person who raised his/her hand. Maximum two people would be allowed to answer a question. You are bound to answer if you have raised your hand.
- 3. The number of 3-digit numbers divisible by 7, is ………….. . a) 125 b) 128 c) 150 d) 151 1.
- 4. 4, 6, 12, 10, 13, 39, ? a) 37 b) 78 c) 43 d) 36 2.
- 5. A train 140m long is running at 72kmph. In how much time will it pass a platform 460m long? a) 15sec b) 24sec c) 28sec d) 30sec 3.
- 6. The sum of ages of 6 children born at the intervals of 4 years each is 96 years. Find out the age of the youngest child? a) 6years b) 5years c) 4years d) 3years 4.
- 7. A bag contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the bag, if at least one red ball is to be included in the draw? a) 32 b) 64 c) 74 d) 128 5.
- 8. logₓ(9/16)=−(1/4), find the value of x a) (9/16)⁸ b) (3/4)4 c) (16/9)⁸ d) (4/3)8 6.
- 9. 36120=(36 * x)40. What is the value of x? a) 6 b) 62 c) 63 d) 64 7.
- 10. Arrange in descending order a) 25/11 b) 33/14 c) 47/21 d) 38/16 8.
- 11. A container contains 50 litres of milk. From this container 10 litres of milk was taken out and replaced by water. This process was repeated further three times. How much milk is now contained by the container? a) 29.16 b) 20.48 c) 20 d) 10 9.
- 12. What is the sum of the exterior angles of an polygon? a) 360 b) 480 c) 600 d) 720 10.
- 13. Triangle ABC is right-angled at A, and AD is the altitude from A to the hypotenuse BC. Find x. a) 15 b) 12 c) 10.5 d) 7.9 11.
- 14. What is the surface area of the torus (to the nearest mm2) ? a) 2256 mm2 b) 2369 mm2 c) 3948 mm2 d) 5922 mm2 12. r = 5 mm & R = 20 mm
- 15. How many diagonals does an nineteen-sided polygon have? a) 135 b) 144 c) 152 d) 153 13.
- 16. Here is a sheet with white and black squares: Which of the sheets below could it be covered with to get a totally black rectangle? a) b) c) d) 14.
- 17. Arrange the number in ascending order a) 9/32 b) 7/26 c) 8/29 d) 6/23 15.