Math quiz class vii

quiz

1. ROUND 1

2. Q 1
Findthemultiplicativeinverse
of7

3. Q 2
X+X-= ?

4. Q 3
Findx:
3x+5=4x-7

5. Q 4
Acardisdrawnfroma
packof52cards.Findthe
probabilityofdrawingan
Ace.

6. Q 5
From101to149findthe
probabilityofgettinga
multipleof7.

7. Q 6
ABCD is a quadrilateral
in which AB||CD. Find
x .
D C
100
0
80
0
x
A B

8. Q 7
Howmanysidesdoesa
regularpolygonhasifeach
ofitsinteriorangleis150°?

9. Q 8
D C
O
A B
InparallelogramABCD,
diagonalsACandBD
intersectatO.IfAO=3x-7
andOC=5-x,findthe
valueofx.

10. Q 9
Intheword“KRISHAN”
findtheprobabilityof
gettingavowel.

11. ROUND 2

12. Q 1
Howmanyhundredsare
thereis31×2
5
×5
4
?

13. Q 2
12
3
–10
3
= ?

14. Q 3
Findthegreatestnumberof
threedigitswhichisa
perfectsquare.

15. Q 4
(25% of 700) –(20% of 550) = ?

16. Q 5
32
2
–34
2 =
?

17. Q 6
Whatisthecuberootof
0.000001728?

18. Q 7
20pumpscanemptya
reservoirin12hours.Inhow
manyhourscan45such
pumpsdothesamework?

19. Q 8
If the 45 men can do a work
in 20 days. Then how many
men can do the same work
in 75 days.
;fn

20. Q 9
SitaandRiyacandoapieceof
workin9daysbutSitaalone
candoitin12days.Howlong
willRiyataketofinishthis
workalone.

21. TIE QUESTIONS

22. Q 1
(5)
–1
–(10)
–1
=?

23. Q 2
Findmeanofthefirst
sevenprimenumbers.

24. Q 3
Ifthemean ofthree
observations,x+1,x+2,x+6
is9.Findx.

25. Q 4
Findthemedianoffirstfive
primenumbers.

26. Q 5
Whatisthenewmedian,when
36isaddedtothedata:
32,34,35,40,42,44,44?

27. Q 6
Iftheprobabilityofwinninga
gameis0.723,whatisthe
probabilityoflosingit?
;fnfdlh[ksydsthrusdhizkf;drk0-
732gks]rksmldsgkjusdhizkf;drk
D;kgksxh\

28. Q 7
= 1
Find the value of x.
x dk eku Kkr dhft,A

29. Q 8
0.16 (5y –2) = 0.4 (y + 1)
Find the value of y.
y dk eku Kkr dhft,A

30. Q 9
Anumberisasmuchgreater
than22.5asitislessthan71.5
Findthenumber.

31. Q 10
Theanglesofatriangleare
(3x)°;(2x+60)°and(5x+40)°.
Findsmallestangle.

32. Q 11
After14years,Barkhawillbe2
timesasoldashewas7yrs.
ago.Whatisherpresentage?

33. Q 12
Ifthesmalleroftwo
consecutive integers is
doubled,theresultis11more
thanthelargerinteger.Whatis
thesumofintegers.

34. Q 13
Rs.8000areinvestedat8%
simpleinterestp.a.Inhowmuch
timewillitdoubleitself?

35. Q 14
By what number should 7
be multiplied to get 2 ?

36. Q 15
By what number should 7
be divided to obtain 5 ?

37. Q 16
Find x in the
given figure.
60
o
A
x 80
o
B C D

38. Q 17
Find ∟ ACB in
the given figure.
C
115
o
105
o
A B

39. Q 18
Amangoes15mduewestand
then20mduenorth.Howfar
ishefromthestartingpoint?

40. Q 19
RajupurchasedaradioforRs.800
andsoldittoSonuataprofitof
20%.SonusoldittoMonuataloss
of10%.Forhowmuchmoneydid
Monubuyit?

41. Q 20
Find ∟ BAC . A
x
75
o
2x
B C

42. Q 21
Threecoinsaretossed
together.Whatarethetotal
numberofpossibleoutcomes.

43. Q 22
Inafamilyoftwochildren.
Findtheprobabilityofat
leastonegirlchild.

44. Q 23
Findthevalueofsquare
rootof0.0225.

45. Q 24
5 + 7 + 9 + 11 + 13 + 15 + 17+19 = ?

46. Q 25
GiveonePythagorean
tripletinwhichoneofthe
numberis16.

47. Q 26
Findthevalueof(99)
2