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Let, total amount of work = 180 units (LCM of 36 and 45) Efficiency of A = 180/36 = 5 units per day Efficiency of B = 180/45 = 4 units per day According to question; 9 × x + 4 × (30 – x) = 180 Or, 9x – 4x = 180 – 120 Or, 5x = 60 Or, x = 12
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 ∶