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Start learning 50% faster. Sign in nowTotal capacity = 90 units (LCM of 15, 18 and 10) Efficiency of pipe M = 90/15 = 6 units/hr Efficiency of pipe N = 90/18 = 5 units/hr Efficiency of pipe P = 90/-10 = -9 units/hr Capacity of tank filled by pipe M in 6 hours = 6 × 6 = 36 units Capacity of tank emptied by pipe P in 4 hours = -9 × 4 = -36 units Capacity of tank left for pipe N = 90 – 36 – (-36) = 90 units Time taken by pipe N to fill the remaining tank = 90/5 = 18 hrs Total time taken = 6 + 4 + 18 = 28 hrs
If we interchange 2 and 1, then what will be the resultant of the given equation?
21+ 18 ÷ 6 × 12 – 7 = ?
If '+' means 'subtraction', ' X ' means 'addition', '-' means 'division' and '÷' means 'multiplication', then what is the value of the following expres...
If '>' means 'Addition', '$' means 'Divide', '<' means 'Subtract', '%' means Multiply', Then '' 54 > 32 $ 8 < 6 % 5 ' = (?)
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
32 * 366 * 6 * 2 * 134 = 20
If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”
250 × 10 �...
If ‘ × ’ means ‘ + ’. ‘+’ means ‘÷’, ‘-’ means ‘×’ and ‘÷’ means ‘-’, then 9 × 8 – 5 + 40 ÷ 3 = (?)
...Select the correct sequence of mathematical signs to replace the ‘@’ signs so as to balance the given equation.
252 @ 28 @ 11 @ 5 @ 22 = 42