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Start learning 50% faster. Sign in nowDownstream speed of the boat = 187/11 = 17 km/hr Upstream speed of the boat = 180/18 = 10 km/hr Speed of boat in still water = (17 + 10)/2 = 13.5 km/hr
A six-digit number 4c68d2 is divisible by 12. Find the sum of all possible values of 'c' for the largest possible value of 'd'.
Sandeep can solve 20 questions in 1 hour. If he decreased his efficiency by 20%, then how much time would he take to solve the same number of questions?
A merchant bought 300 goods at Rs. 50 each. He sold a part at a 20% profit and the rest at a 10% loss. If his overall profit is 4%, how many goods did h...
325 mangoes are distributed among some boys and girls who are 60 in numbers. Each boys gets five mangoes and each girls gets six. The number of boys is :
Find the largest three-digit number that leaves '3', '4' and '5' as remainder when it is divided by '7', '8' and '9', respectively.
What is the greatest common divisor of 1320, 1980, and 3300?
27 percent of a number exceeds 13 percent of the same number by 56. What is the value of the number?
