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Start learning 50% faster. Sign in nowLength of train X = 40 × 54 × (5/18) = 600 m Length of train Y = (600/2) × 1 = 300 m => t = (600 + 300)/[(54 + 90) ×(5/18)] = 22.5 sec Required value = (t + 11) = 22.5 + 11 = 33.5
The value of √(56+√(56 +√(56+ √(56+√56+ ................ )) )) is
Find the remainder when the number (289n + 200) is divided by 17.
When a number is increased by 20% then the number obtained is 36 less than thrice the original number. Find the original number.
In a village with a population of 1200, comprising both males and females, the ratio of males to females is 7:5. Each male receives 20 kg of rice, while...
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?