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All questions of Simplification & Approximation for DSSSB TGT/PGT/PRT Exam

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7.8 + 5.4 x 8.2 = ?
  • a)
    52.08
  • b)
    108.24
  • c)
    48.05
  • d)
    102.05
  • e)
    None of these
Correct answer is option 'A'. Can you explain this answer?

Gaurav answered
Acoording to BODMAS Rule i.e. Bracket,OF,Division,Multiply,Addition,Subtration We have to Multiply 5.4 × 8.2= 44.28 & then 44.28 + 7.8= 52.08

5616 ÷ 18 ÷ 8 = ?
  • a)
    34
  • b)
    39
  • c)
    38
  • d)
    37
  • e)
    None of these
Correct answer is option 'B'. Can you explain this answer?

Sukamar Kumar answered
Teen patti 15Aug-2023 — Customer contact +91 824-843-8395-(complain customer service head Office number) +91 824.843.8395 call us now serious .

–224 + (–314) x (–9) = ?
  • a)
    2602
  • b)
    547
  • c)
    – 547
  • d)
    –2602
  • e)
    None of these
Correct answer is option 'A'. Can you explain this answer?

Nishtha Pandey answered
So here v hav to follow BODMAS rule i.e
bracket open divide multiply add sub
-224+(-314)×(-9)
-224+(2826) [ -×-=+ ]
+2602

Find the number in the unit place in (321)321 x (325)326.
  • a)
    1   
  • b)
    5  
  • c)
    6   
  • d)
    8
  • e)
    None
Correct answer is option 'B'. Can you explain this answer?

Faizan Khan answered
321 raised to 321=1 in unit digit and any number ending in 5 raised to any number has always 5 as unit digit, so 1×5=5

√3/7 × 1124 – ? = 21
  • a)
    15
  • b)
    3
  • c)
    9
  • d)
    7
  • e)
    11
Correct answer is option 'C'. Can you explain this answer?

Aarav Sharma answered
I'm sorry, I need more information or a specific question to be able to assist you. How can I help you?

  • a)
    6241
  • b)
    6889
  • c)
    6561
  • d)
    5929
  • e)
    None of thes
Correct answer is option 'C'. Can you explain this answer?

Anaya Patel answered
C is the correct option. Solution- 
4028÷53=76
6156÷76=81
So the value needed is a square of 81 which is 6561.

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