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Start learning 50% faster. Sign in nowLet the speed of boat in still water be x km/hr and that of stream be y km/hr. ATQ, ⇒ (x + y) – (x – y) = 6 ⇒ y = 3 km/hr ⇒ x = 3 × 11/3 = 11 km/hr Required time = [42/(11+3)] + [32/(11−3)] = 7 hr
Determine the value of 'a' such that the number 102a32 is divisible by 48.
'x' varies directly as per 'y' and 'z'. When 'y' = 6 and 'z' = 8, then x = 16. Find the value of 'z', when 'y' = 8 and x = 24.
N is the largest two digit number, which when divided by 3, 4 and 6 leaves the remainder 1, 2 and 4 respectively. What is the remainder when N is divid...
Find the sum of all two-digit numbers that are exactly divisible by 6.
The sum of the digits of a two-digit number is 12, and the tens digit is twice the units digit. Determine the HCF of this number ...
Mohit purchased some toffees at a rate of Rs 20 for every 50 toffees. Additionally, he bought twice as many toffees at a price of Rs 1.50 per piece. He ...
Each member of a picnic party contributed twice to their serial number. The total collection was Rs 3042. The (approximate) number of members present in...
Find the third proportion of 22 and 11.
If the numerator of a fraction is increased by 300% and the denominator is increase by 600%.The resultant fraction is 1/2. What was the original fraction?
