Rs Aggarwal Maths Class 9 Exercise 4a

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Chapter6 consists of problems in finding the unknown numbers, quantities, work of men/women and age of people, as per the latest ICSE guidelines. ML Aggarwal solutions are available in PDF format so that the students can use them while solving the exercise-wise problems of ML Aggarwal textbook. Using this resource, students can strengthen their problem-solving skills, which are important from an examination point of view.

5. The class IX students of a certain public school wanted to give a farewell party to the outgoing students of class X. They decided to purchase two kinds of sweets, one costing Rs. 70 per kg and the other costing Rs. 84 per kg. They estimated that 36 kg of sweets were needed. If the total money spent on sweets was Rs. 2800, find how much sweets of each kind they purchased.

6. If from twice the greater of two numbers 16 is subtracted, the result is half the other number. If from half the greater number 1 is subtracted, the result is still half the other number. What are the numbers.

8. A man has certain notes of denominations Rs. 20 and Rs. 5 which amount to Rs. 380. If the number of notes of each kind is interchanged, they amount to Rs. 60 less as before. Find the number of notes of each denomination.

11. If the numerator of a certain fraction is increased by 2 and the denominator by 1, the fraction becomes equal to 5/8 and if the numerator and denominator are each diminished by 1, the fraction becomes equal to , find the fraction.

18. A number of three digits has the hundred digit 4 times the unit digit and the sum of three digits is 14. If the three digits are written in the reverse order, the value of the number is decreased by 594. Find the number.

21. A person invested some money at 12% simple interest and some other amount at 10% simple interest. He received yearly interest of Rs, 1300. If he had interchanged the amounts, he would have received Rs. 40 more as yearly interest. How much did he invest at different rates?

22. A shopkeeper sells a table at 8% profit and a chair at 10% discount, thereby getting Rs. 1008. If he had sold the table at 10% profit and chair at 8% discount, he would have got Rs. 20 more. Find the cost price of the table and the list price of the chair.

24. The students of a class are made to stand in (complete) rows. If one student is extra in a row, there would be 2 rows less, and if one student is less in a row, there would be 3 rows more. Find the number of students in the class.

28. A train covered a certain distance at a uniform speed. If the train had been 30 km/hr faster, it would have taken 2 hours less than the scheduled time. If the train were slower by 15 km/hr, it would have taken 2 hours more than the scheduled time. Find the length of the journey.

30. A boat sails a distance of 44 km in 4 hours with the current. It takes 4 hours 48 minutes longer to cover the same distance against the current. Find the speed of the boat in still water and the speed of the current.

32. A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. When Bhawana takes food for 20 days, she has to pay Rs. 2600 as hostel charges; whereas when Divya takes food for 26 days, she pays Rs. 3020 as hostel charges. Find the fixed charges and the cost of food per day.

6. Rectangles are drawn on line segments of fixed lengths. When the breadths are 6 m and 5 m respectively the sum of the areas of the rectangles is 83 m. But if the breadths are 5 m and 4 m respectively the sum of the areas is 68 m. Find the sum of the areas of the squares drawn on the line segments.

7. If the length and the breadth of a room are increased by 1 metre each, the area is increased by 21 square metres. If the length is decreased by 1 metre and the breadth is increased by 2 metres, the area is increased by 14 square metres. Find the perimeter of the room.

9. On Diwali eve, two candles, one of which is 3 cm longer than the other are lighted. The longer one is lighted at 5:30 p.m. and the shorter at 7 p.m. At 9:30 p.m. they both are of the same length. The longer one burns out at 11:30 p.m. and the shorter one at 11 p.m. How long was each candle originally?

CLEAR EXAM wants to be a single-stoppage highway, where every solution ,of every question of top-notch reference books preferred by the schools can be available for the students. To head forward in this endeavour of ours, we have made the solutions of the book by RS Aggarwal for class 11th available on the CLEAR EXAM blog.

The given RS Aggarwal maths solutions for class 11 are made available in a topic wise manner, and in a format easily accessible by the students. The solutions have been provided by our subject experts. The RS Aggarwal maths solutions class 11 are in .pdf format, which are easily downloaded or printable by the students.

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