For the following questions answer them individually
A, B, C and D play a game of cards. A says to B, “If | give you 8 cards, you will have as many as C has and | shall have 3 less than what C has. Also, if  I take 6 cards from C, I shall have twice as many as D has.” If B and D together have 50 cards, how many cards has A got?
The price of 29 Apples, 23 Bananas and 19 Chickoos is Rs.379. Find the price - (in Rs.) of 7 Apples, 6 Bananas and 5 Chickoos when it is knownthat the price of 1 Apple is Rs.11 more than the price of 1Banana and 1 Chickoo together.
A child is searching for his mother. After walking 90 m towards east, he turns to the right. After walking 20 m, he again turns to the right and after travelling a distance of 30 m he reaches his mother’s friend’s house. From here he walks 100 m towards north and meets his mother. At whichdistance does he meet his motherfrom the starting point ?
A starts a business with Rs.1,50,000 and B joins after 4 months with some investment. A withdraws from the business after 4 more months. They share the profit in the ratio of 3:4 at the end of one year. Find B’s investment.
P, when working alone, can complete a work in 30 days. He can complete the same work in 20 days when working with Q. Working with Q and R, P can complete the same work in 10 days. In how many days can Q and together do the same work?
A merchantprofessesto sell a product at the cost price by using false weight. He gains 30%profit in this manner. What weight does he substitute for one _ kilogram.