Time + equation - practice problems
Number of problems found: 987
- One-fifth 42071
One-fifth of twice the number t is one. - Year 2018
The product of the three positive numbers is 2018. What are the numbers? - Six years
In six years, Jan will be twice as old as he was six years ago. How old is he? - 7 men
Seven men can complete work in 52 days. How many days will 13 men finish the same work? - Sister 5947
I was twice as old as my sister four years ago. How old am I today? - In 20
In 20 years, the father will be twice as old as he was five years ago. How old is a dad now? - 14 years
Kája is 14 years old. Mom 44. How many years will mom be four times older? - Žaneta 78044
Juraj and Žaneta are 48 years old. Juraj is twice as old as Žaneta. How old is Juraj, and how old is Žaneta? - Three men
If three men can do a job in 8 days, how many men can do the same job in 6 days? - Seven
Seven dwarfs will cut 420 stumps in 15 hours. After five hours, the two dwarves disappear discreetly. How many hours will the remaining dwarves complete the task? - Father and son
Father is 48 years old, and the son is 23. When will the father be twice as older as a son? - The father
The father is 36 years old. The son is six years old. How many years will a father be three times older than a son? - Apprentice
The worker and apprentice execute the work for 6 hours. The worker performs himself in 10 hours. How long do the work of an apprentice? - Bigger 81145
In 10 years, the teddy bear will be three times bigger than it is today. How old is the teddy bear now? - Together 4511
One tractor would sow the field in 3 hours and the other in 7 hours. How long before the fields grow together? - The tangent of the hyperbola
Write the equation of the tangent of the hyperbola 9x²−4y²=36 at the point T =[t1,4]. - Family
The twins Nina and Ema have five years younger brother Michal. Together have 43 years. How old is Michal? - Age question
Jano is three times older than Zdeno. Zdeno is 12 years younger than Janko. How old is Jano, and how old is Zdeno? - Brother and sister
When I was 8, my sister was 4, and now I am 18. How old is my sister? - Timeage
Seven times my age is 8, less than the largest two-digit number. How old am I?
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