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Tuesday, 22 October 2013

LDC Examination Expected Questions - 61 (Maths)

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BODMAS
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Full form of Bracket Order Division Multiplication Addition Subtraction. 
ആദ്യമായി Bracket ന് ഉള്ളിലെ ക്രിയകൾ ചെയ്യണം. Order എന്നതുകൊണ്ട്‌ ഉദ്ദേശിക്കുന്നത് ഘാതത്തെയാണ്. പിന്നെ ഹരണം (Division), ഗുണനം (Multiplication) ,സങ്കലനം (Addition),വ്യവകലനം (Subtraction) എന്ന ക്രമം സ്വീകരിക്കണം. 
Examples 
1. 3(17-13)+3 = ??
Step 1 :- 17-13 = 4 
Step 2 :- Bracket Means Multiplication so 3*4 = 12
Step 3 :- 12+3 = 15
Answer = 15
2. 52-12/3*22

Step 1 :- Firstly change Orders to normal numbers 52=25 ; 22=4 അപ്പോൾ 25 - 12/3  * 4  
Step 2 :- 12/3 = 4 അപ്പോൾ 25 - 4 * 4  
Step 3 :- 4*4 = 16 അപ്പോൾ 25 - 16
Step 4 :- 25 - 16 = 9
Answer = 9

Questions for Exercise

  1. 22/11*36/9 = ??
  2. 90/15/3*4 = ??
  3. 16*4/32-11+10 = ??
  4. 57/3-1*16-15 = ??
  5. 5-[2(4*5-6)]/7 = ??
  6. [(6+5)2-8]/7
  7. 3-{3-3[3-(3-3)]}/3 = ??
  8. 1-2+3*4-5[6-7-(-8)*9] = ??
ANSWERS

  1. 8
  2. 8
  3. 1
  4. -12
  5. 1
  6. 2
  7. 5
  8. -344 



8 comments:

  1. 16*4/32-11+10=1 engane kitti onnu paranju tharamo?

    ReplyDelete
  2. 16*4/32-11+10

    16*4 = 64
    64/32 = 2
    2 - 11 + 10 = 2 - 1 = 1
    ans: 1

    ReplyDelete
  3. Athengaeya sariyava aadyam division alle

    ReplyDelete
  4. 16*4/32-11+10

    16/8-11+10
    2-11+10
    2-1
    1

    ReplyDelete
    Replies
    1. 3-{3-3[3-3)]}/3=5 Kittiyath enganeya ? Ans 1 Ale

      Delete
    2. 64/32=2, 4/32 =8 , ith entha ingane

      Delete
  5. Replies
    1. 3-(3-3(3-(3-3)))/3
      =3-(3-3(3-0))/3
      =3-(3-3*3-0)/3
      =3-(3-3*3)/3
      =3-(3-9)/3
      =3--6/3
      =3+2=5

      Delete