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Speed of train = (Length of train + Length of Platform)/Required time Length of train = 400 m Crossing time of platform = 2 × 60 = 120 sec Length of platform = 400 × 2 = 800 m Let the speed of train be x. Speed of train = (400 + 800)/120 ⇒ x = 1200/120 = 10 m/s
Select the correct combination of mathematical signs to sequentially replace the signs, to balance the following equation.
(12*7*6)* 13 *6
After interchanging ÷ and × , 4 and 8, which of the following equations becomes correct?
The given equation has been solved on the basis of a certain rule. Find the correct answer for the unsolved equation on that basis.
If p × ...
Select the correct combination of mathematical signs from the options given to replace # signs and get a balanced equation. 24 #8 #4 # 10 # 2
If 'P' denote '÷', 'θ' denotes 'x', 'R' denotes '+' and 'S' denotes '-', what is the value of ' 18 θ 12 P 4 R 5 S 6 '.
A cube is made by following the given sheet. In the cube so formed, What would be the symbol on the opposite side of the # Symbol?
Which signs should be interchanged to make the given equation correct.
45 ÷ 5/3 + 10 × 2/5 - 5 = 95
Which signs should be interchanged to make the given equation correct.
45 × 5 + 60 ÷ 12 - 25 = 165
...After interchanging '- ' and '+ ' , 6 and 7 , which of the following equations becomes correct?
...