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Speed of boat in still water = (D + U)/2 Upstream speed (U) = 56/4 = 14 km/hr Downstream speed (D) = 18/3 = 6 km/hr Speed of boat in still water = (14 + 6)/2 = 20/2 = 10 km/hr
If ‘1x5629’ is a six digit number which is divisible by 9, then which of the following can be the minimum value of ‘x’?
How many factors of 23 × 33 × 54 × 73 are divisible by 50 but not by 100.
Which of the following pairs of non-zero values of p and q make 6-digit number 674pq0 divisible by both 3 and 11?
How many factors of 23 × 33 × 54 ×91× is divisible by 50 but not by 100?
If the seven-digit number 5728p9 is exactly divisible by 11, then what is the value of (11 p), where p > 0?
If a nine-digit number 89563x87y is divisible by 72, then the value of √ (8x -6y) will be ∶
What is the smallest perfect square that is divisible by each of 42, 48 and 60?
Find the largest number that divides 400, 500, and 600, leaving remainders 10, 20, and 30 respectively.
A number n when divided by 6, leaves a remainder 3. What will be the remainder when (n2 + 5n + 8) is divided by 6?
The largest 5 digit number which is exactly divisible by ‘33’ is:
