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Let the total work = 120 units Efficiency of (X + Y) = 120/10 = 12 units/day Efficiency of (Y + Z) = 120/8 = 15 units/day Efficiency of ‘Y’ = 120/12 = 10 units/day Efficiency of (X + Y + Z) = (12 + 15 – 10) = 17 units/day Required time taken = (0.65 × 120)/17 = 5 days (approx)
If 'N' is the greatest three-digit number which when divided by 27, 6, 8 and 9 Leaves in each case the same remainder of 5, then the sum of the digits o...
A six-digit number 23p7q6 is divisible by 24. Then the greatest possible value for (p + q) is:
If '32x47y' is a six-digit number that is divisible by both 11 and 12, what could be a possible value of (x + y)?
If the number 10293y8 is divisible by 11, then what is the value of y?
If a nine-digit number 89563x87y is divisible by 72, then the value of √ (8x -6y) will be ∶
Determine the remainder when 4412 is divided by 7?
If a nine-digit number 89563x87y is divisible by 72, then the value of √ (5x -4y) will be ∶