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LV Solves It

Peter's age 13 years ago was 1/3 of his age 7 years hence. How old is Peter?

3 weeks ago | [YT] | 1

LV Solves It

If three coins are tossed, how many possible ways are there for at least one coin showing tails?

2 months ago | [YT] | 0

LV Solves It

Find the number of ways two balls, four dolls, and six toy guns can be given to 12 children, if each child gets a toy.

2 months ago | [YT] | 0

LV Solves It

A can do a job 50% faster than B and 20% faster than C. Working altogether, they can finish the job in 4 days. How many days will it take A to finish the job if he work alone?

2 months ago | [YT] | 0