1120 of 52% – 980 of %= 4.2
What is the value of % ?
Please some one give me soon tommorrow is my exam.
Answers
Answer:
Directions: find question mark (?) in the following question.
52% of 1120 –?% of 980 = 4.2
निर्देश: निम्नलिखित प्रश्न में प्रश्न चिह्न (?) के स्थान पर क्या आना चाहिए?
52% of 1120 –?% of 980 = 4.2
[A] <p>59</p>
SOLUTION
Follow BODMAS rule to solve this question, as per the order given below,
Step-1: Parts of an equation enclosed in 'Brackets' must be solved first,
Step-2: Any mathematical 'Of' or 'Exponent' must be solved next,
Step-3: Next, the parts of the equation that contain 'Division' and 'Multiplication' are calculated,
Step-4: Last but not least, the parts of the equation that contain 'Addition' and 'Subtraction' should be calculated.
Now, given expression:
⇒ 52% of (40% of 2800) – ? of (80% of 1225) = 4.2
⇒ 52% of (0.4 × 2800) – ? of (0.8 × 1225) = 4.2
⇒ 52% of 1120 – ? of 980 = 4.2
⇒ 0.52 × 1120 - ? × 980 = 4.2
⇒ 582.4 - ? × 980 = 4.2
⇒ ? × 980 = 582.4 – 4.2
⇒ ? × 980 = 578.2
⇒ ? = 578.2/980
⇒ ? = 0.59
⇒ ? = 59%
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