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 that time.Find the present ages of the father and son.
Ans. Father's age i.s 36 year and son 's age is 9 years
Q6. A man sold an article for Rs.161, gaining 1/6th of his outlay. Find the cost price of the article.
Ans. Rs. 138
Q7. Divide Rs.560 among A,Band C so that A may get half as much as C and B may get half as much as C.
Ans. A's shave =Rs. 140, B's shave =Rs. 140, C 's shave= Rs.280
Q8. If in a long division sum ,the dividend is 380606 and the successive remainders from the first to the last are 434,125 and 413,find the divisor.
Ans. 843
Q9. In a hostel there were some students.Average expenditure on their meal was Rs.60.10 more students joined and the expenses increased by Rs.350 ,but average reduced by Rs. 5 .How many students were in the hostel originally?
Ans. 40
Q10. A grocer purchased 80 kg of rice at RS .13.50 per kg and mixed it with 120 kg available at Rs. 16 per kg.At what rate per kg should he sell the mixture to have a gain of 20 per cent?
Ans. Rs 18 per kg
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 that time.Find the present ages of the father and son.
Ans. Father's age i.s 36 year and son 's age is 9 years
Q6. A man sold an article for Rs.161, gaining 1/6th of his outlay. Find the cost price of the article.
Ans. Rs. 138
Q7. Divide Rs.560 among A,Band C so that A may get half as much as C and B may get half as much as C.
Ans. A's shave =Rs. 140, B's shave =Rs. 140, C 's shave= Rs.280
Q8. If in a long division sum ,the dividend is 380606 and the successive remainders from the first to the last are 434,125 and 413,find the divisor.
Ans. 843
Q9. In a hostel there were some students.Average expenditure on their meal was Rs.60.10 more students joined and the expenses increased by Rs.350 ,but average reduced by Rs. 5 .How many students were in the hostel originally?
Ans. 40
Q10. A grocer purchased 80 kg of rice at RS .13.50 per kg and mixed it with 120 kg available at Rs. 16 per kg.At what rate per kg should he sell the mixture to have a gain of 20 per cent?
Ans. Rs 18 per kg
