For the following questions answer them individually
By selling an article for Rs. 5700, a trader would lose 5%. At what price (in Rs.) must he sell it, to gain 5%?
The cost price of 15 books is equal to the selling price of 18 books. What is the percentage of profit or loss?
P and Q entered into a partnership investment of Rs.24000 and Rs. 30000 respectively. After 6 months P withdraws Rs. 4000. What is the share (in Rs.) or Q in the annual profit of Rs. 10,400?
P, Q, R and S enter into a partnership. P subscribes 1/3 of the capital. Q subscribes 1/4, R subscribes 1/4 of the capital and S subscribes the rest. Then the share (in Rs.) of S out of a profit of Rs. 6000 is
Two pipes P and Q will fill a cistern in $$37\frac{1}{2}$$ min, and 45 min. respectively. If both pipes are opened at a time, after what time (in min.) the second pipe Q must be turned off, so that the cistern is filled in half an hour?
Two pipes P and Q can fill a cistern in 4 min, and 6 min, respectively, If these pipes are opened on alternatively starting with P for one minute each, how long (in min.) will it take to fill the cistern?
A car does a journey in 10 hours during the first half at 42 kmph and in the next half at 48 kmph. Then what is the total distance travelled by the car (in kilometers}?
A train travelling at a speed of 80 kmph reaches its destination $$1\frac{1}{2}$$ hrs earlier to the time itย would have taken at a speed of 60 kmph, for the same distance. Then the distance travelled by the train (in kms) is
P works twice as much as Q. If both of them together finish a work in 12 days, in how many days P alone can complete the same work?