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What approximate value will come in the place of question mark (?) in the following question?

? ÷ (24.99 × 12.01) + 19.9 – 119.99 ÷ 30.01 = 20

What approximate value should come in the place of question mark (?) in the following question?

21.03 × 6.97 + 12% of 401.09 - 2/7 of 699.81 = ? - 105.07

What approximately will come in the place of the question mark '?' in the following question?

91.97 + 26.98 – 83.90 + 112.98 + 10² = ?

What approximate value should come in the place of question mark (?) in the following question?

89.99 + 79.99 × 3.96² = ? + 15.15

What approximate will come in the place of the question mark ‘?’ in the following question?

24.072² ÷ 3.983 + 60.969 of 4.017 = ?

The length of a rectangular field is twice its width. If the length of its diagonal is 9√5 meters, the perimeter of the field is

A square shaped park with area 625 sq. km has a racing track surrounding it. The width of racing track is 5 km. What is the area of racing track

In an election between 2 candidates 10 % of total votes casted were declared invalid and the winner got 60% of valid votes if he won by a margin of 3600 votes, then find the number of valid votes and total number of votes.

The monthly income of Arun was Rs 50,000 and his monthly expenditure was Rs 25,000. His salary is increased by 20% and his expenditure is increased by 10%. Find the percentage of increase in his savings.

Three pipes C, D and E are together fill a cistern in 20 minutes. Pipe C alone can fill it in 45 minutes and pipe D alone can fill it in 60 minutes. How long will the pipe E alone take to fill the cistern?