Solve and Test Arithmetic questions
Q1. The base of a triangular field is three times its altitude.If the cost of cultivating the field at Rs.24 per hectare be Rs.324, find its base and height. Ans. Height = 300m , base= 900m Q2 The average monthly expenditure of a family was Rs.4,050 during first 3 months, Rs. 4,260 during next 4 month and Rs.4,346 during last 5 month of the year. If the total saving during the year be Rs.8,720, find the average monthly income. Ans. Rs. 4,970 Q3 The student in three classes are in the ratios 2:3:5. If 20 students are increased in each class ,the ratios changes to4:5:7. What is the total number of student before the increase? Ans. 100 Q4 A papaya tree was planted 2 year ago. It increase at the rate of 20% every year . If at present , the height of the tree is 540 cm, What was it when the tree was planted? Ans. 375 cm Q5 The sum of the ages of a father and son is 45 year. Five year ago , the product of their ages was 4 times the father's age at ...