Hello, guys here is the set of few questions in maths ,the solutions will be posted tomorrow,try out the solutions and you can even post your answer's.
1)The cost of 5 pens ,7 erasers and 9 refill's is Rs 46 , the cost 2 pens ,5 erasers and 8 refill's is 36 .Find the cost of 1 pen ,1eraser and 1 refill?
2) If 10 men can do a peace of work in 8 days then in how many days can 4 members do the same amount of work?
3)If all the possible internal arrangements of the letters of the word LASER are arranged as in a dictionary,then the rank of the word LASER is ?
4)A Train travelling at a speed of 45kmph begins to cross a cyclist , travelling in the same direction at a speed of 5 kmph, and a motorcyclist , travelling in the opposite direction,at the same time.If the train crosses the motor cyclist in 4 seconds and the cyclist in 6 seconds ,find the speed of the motorcyclist?
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