1) A garage consist of 2 wheeler and 4 wheeler vehicles. Total number of vehicle in the garage is 10.
Find the numbers of 2-wheeler and 4-wheeler vehicles in the garage, if the total numbers of wheels is 28.

2) A crowd consist of humans and donkeys. Total number of head count in the crowd is 50 and total number of
legs is 100. Find the number of humans and donkeys.

3)10 years ago, father age was twice the son's present age. 10 years hence, his age will be twice his son's age.
Find the present age of father and son.

4) Jacob has two son's. Jacob present age is twice the sum of his son's age. 20 years hence, Jacob's age will be
 equal to the sum of his son's age. Find the Jacob's and son's age, if the difference between the son's age 
 is 2 years.
 
 5) The larger of two complementary angles exceeds the smaller by 18 degrees. Find the two angles.
 
 6) A piggy bank consist of 50 paisa and ₹ 1 coins. Total numbers of coins in the piggy bank is 50 and total
   value of money in the piggy bank is ₹ 40. Find the numbers of 50 paisa and ₹ 1 coins in the piggy bank.
   
 7) The sum of the digits of two-digit number is 8. Also , the difference between the number and 
  the number obtained by reversing the order of digits is 54. Find the number.
  
 8) The sum of the digits of two-digit number is 10 and the difference of the digits is 2. Also , the sum of the
  number and the number obtained by reversing the order of digits is 110. Find the number.
  
 9) A fraction become $3/5$ if 2 is added to the denominator and it becomes 1 when 4 is subracted from the denominator.
     Find the fraction.
	 
 10) If the income of two person A and B are in the ratio 7:5 and expenditure in ratio 3:2 and each one of them
      saves Rs 3,000 find the income of person A.