Mathematics quiz questions and answer for grade 6, 7 and 8

• Mathematics Quiz Questions and Answer for Grade 6, 7 and 8.

1. What notation is used to denote the ratio of circumference to diameter of circle? Ans: π (pai)
2. What is the cost of fencing a square field of 36 m long at the rate of Rs.20 per meter?  Ans: 2880
3. What is the measure of an interior angle of regular pentagon?  Ans: 108 degree
4. What is the value of  1^a+b    ?    Ans: 1
5. The weight of 215 tablets of medicine is 107.5 gram. What is the weight of 1 tablet of medicine? Ans: 0.5
6. How many edges are there in a tetrahedron?  Ans: 6
7. Who invented binary number system?  Ans: Gottfried Lebniz
8. The weight of 30 sweets is 20 gram. How many sweets would weight 1 kg? Ans: 1500
9. Name the mathematician who had derived the relation  " the square of hypotenuse is  equal to the sum of squares of other two sides in right angled triangle"  Ans: Pythagoras
10. What is the missing out of trigonometry: sine,cosine,....................? Ans: Tangent
11.  A clock strickes once at 1 o'clock, twice 2 o'clock and so on. how many times will it strike in 24 hours? Ans: 156
12.  Micle's age was 27 years in 2011 A.D. What was his age in 2003? Ans: 19 years.
13. 13. If 4^(w+3) =8^(w-1), what is the value of w?  Ans: 9
14. If 2<x<4 and 3<y<7, What is the largest integer value of x+y ?   Ans: 10
15. Today is Saturday, what day will it be in 500 days?  Ans: Tuesday
16. What is the smallest number that is divided by 34 and 35 ? Ans: 1190
17. If a^a *3^b =3^100. What is the average of a and b? Ans:50
18. The product of 4 consecutive integers is equal to one of them, what is the largest possible value of one of the integers?  Ans: 3 (integers are 0,1,2,3)
19. In a Jar, half of the marbles are red, one fourth are white and one fifth are blue, What fraction of the marble are neither red white or blue? Ans: 1/20  Or, 5/100
20. In 7 years, Nabin will be twice as old as he was 8 years ago, How old is Nabin now?  Ans:23 years
21.  If the angles of a five sided polygon are in the ratio of 2:3:3:5:5. What is the measure of smallest angle ?  Ans: 60 degree