MENTAL MATHS QUIZ SAMPLE QUESTIONS AND ANSWERS

mental maths quiz useful for class

1. WELCOME

2. LEVEL - I Venue: Sarvodya Bal Vidyalaya Subhash Nagar, New Delhi-110027

3. 1. There will be 2 rounds and 6 questions in each round for each team up to the regional level. 2. Time allotted : - 20 seconds for each question ; 10 seconds for passed over question 3. Point awarded :- 2 points for each question ; 1 Bonus point for passed over question 4. Answers should be in lower terms 5. Use of unit in answer is must. 6. If first answer is correct then no other students allowed answering in the same team. 7. If first answer is wrong then only one student is given to answer, who speak first. 8. If two answer came at the time and both the answer right then both the students will get the same marks. 9. Each participant of a team can answer only once in the allotted time of 20 seconds. The correct answer shall be declared only after 20 seconds are over. Individual participants shall receive points too. This rule does not apply at the state level. 10. In case of a tie additional common questions shall be asked to each member of the tie team. First correct response given by the participant of the tie team within 20 seconds will be selected. RULES FOR MENTAL MATHS QUIZ COMPETITON

4. ROUND - I

5. 5A11 How many two-digit numbers are there in all

6. 5B11 By how much is 96 greater than 72 ?

7. 5C11

8. 54D1

9. gy djks Solve it. -6 – (-5) + (-7) 6A11

10. gy dhft,A Solve it – 12 – (17) + (8) 6B1 1

11. gy dhft,A Solve it -10+560+(100/10) 6C11

12. ljy dhft , Simplify (-4-2-5) – (-7-8-1) 6D11

13. 5A12 Calculate : 100-90+80-60

14. 5B12 What will be nearest thousand for 4278 ?

15. 5C12

16. 5D12

17. la[;k js [ kk Ikj &5 vkSj 5 ds chp fdrus [ k.M gS \ How many divisions are there between -5 and 5 at number line? 6A12

18. &5 esa ls 16 ? kVkus ij D;k izkIr gksxk \ What will you get on sub- tracting 16 from -5? 6B12

19. &5 rFkk &6 ds ; ksx esa ls &7 ? kVkb,A Subtract -7 from sum of -5 and -6. 6C12

20. la[;k &8 ls 6 de okyh la[;k crkb,A Find the number 6 lesser than -8. 6D12

21. 5A13 Evaluate x ____ =  

22. 5B13 Express as a mixed fraction.  

23. 5C13

24. 5D13

25. n’keyo : i esa fy [ kks Express into decimal form 6A13

26. dXmalava dk iz;ksx dj ehVj ko : i esa dXaa -[ e A Express as meter using Decimal 4 cm 5mm 6B13

27. gy djks Solve it- 6C13

28. n’keyo : i esa O;Dr djksA + Express in decimal form 6D13

29. Round - 2

30. 5A21 Convert 300 seconds into minutes

31. 5B21 Which is greater or ?  

32. 5C21

33. 5D21

34. gj dks + +14 cukdj fy [ kk s Rewrite making Denominator +14 5 -7 6A21

35. gy djks Solve it 7 + 2 + 10 1 4 3 4 6B21

36. gy djks Solve it. 6C21

37. gy djks Solve it 2 + 4 -1 1 2 1 2 6D21

38. 5A22 The annual fee is Rs . 3600, What will be the monthly fee ?

39. 5B22 I am a two-digit number. I have seven in ones place. I am less than 80 and more than 70. Tell who am I ?

40. 5C22

41. 5D22

42. vk;kr dh yEckbZ 15 lsehñ rFkk pkSM+kbZ 10 lsehñ gSA blds ifjeki rFkk { ks = Qy dk vuqikr Kkr dhft,A Find the ratio of Perimeter & Area of a rectangle having length 15 cm and width 10cm 6A22

43. vuqikr Kkr djksA 30 lsfd.M % 1 feuV Find Ratio 30 Second : 1 Minute 6B22

44. vuqikr Kkr djksA 500 ehVj % 1 fdehñ Find Ratio 500 m : 1 km 6C22

45. vuqikr Kkr djksA 50 iSls % 3 : Ik , Find Ratio 50 Paise : 3 Rupees 6D22

46. 5A23 Rita bought two pens for Rs . 67 and a book for Rs . 83. How many rupees did she have to pay the shop keeper ?

47. 5B23 In a garden there was 70 coconut trees,28 mango trees and 45 neem trees. How many trees were there in the garden ?

48. 5C23

49. 5D23 What will be nearest thousand for 4278 ?

50. gy djks Solve it 36×63+37×36 6A23

51. 6B23 nks pkWdysVksa dk ewY ; 34 # i , gSA 5 pkWdysVksa dk ewY ; Kkr djksA If two chocolates cost Rs.34, Find the cost of 5 chocolates.

52. 20 ds vHkkT ; xq.ku [ k.M djksA What are the Prime Factors of 20? 6C23

53. ;fn nks la[; kvksa dk xq.kuQy 2400 gS rFkk eñlñvñ 12 gks rks la[; kvksa dk yñlñvñ Kkr djksA Multiplication of two numbers is 2400 and HCF is 12. Find LCM. 6D23

54. THANK YOU

55. 5A11 90 6A11 -8 5B11 24 6B11 3 5C11 6C11 560 5D11 6D11 5 5A12 30 6A12 9 5B12 4000 6B12 -21 5C12 6C12 -4 5D12 6D12 -14 5A13 1/2 6A13 3.07 5B13 2 1/9 6B13 0.45M 5C13 6C13 0.0012 5D13 6D13 0.723 5A21 5MIN 6A21 -10/14 5B21 7/4 6B21 20 5C21 6C21 -9/20 5D21 6D21 6 5A22 300 6A22 1:3 5B22 77 6B22 1:2 5C22 6C22 1:2 5D22 6D22 1:6 5A23 Rs. 150 6A23 3600 5B23 143 6B23 Rs . 85 5C23 6C23 2,2,5 5D23 6D23 200