RS Aggarwal Class 8 Math First Chapter Rational Numbers Exercise 1G Solution
(1) From a rope 11 m long, two pieces of lengths 2 (3/5) m and 3 (3/10) m are cut off. What is the length of the remaining rope?
(2) A drum full of rice weighs 40 (1/6) kg. If the empty drum weighs 13 (3/4) kg, find the weight of rice in the drum.
(3) a basket contains three types of fruits weighing 19 1/3 kg in all. If 8 1/9 kg of these be apples, 31/6 kg be oranges and the rest pears, what is the weight of the pears in the basket?
(4) On one day a rickshaw puller earned Rs 160. Out of his earnings he spent Rs 26 (3/5) on tea and snacks, Rs 50 (1/2) on food and Rs 16 (2/5) on repairs of the rickshaw. How much did he save on that day?
(5) Find the cost of 3 (2/5) metres of cloth at Rs 63 (3/4) per metre.
(6) A car is moving at an average speed of 60 (2/5) km/hr. How much distance will it cover in 6 (1/4) hours?
(7) Find the area of a rectangular park which is 36 (3/5) m iong and 16 (2/3) m broad.
(8) Find the area of a square plot of land whose each side measures 8 (1/2) metres.
(9) One litres of petrol costs Rs 63 (3/4). What is the cost of 34 litres of petrol?
(10) An aeroplane covers 1020 km in an hour. How much distance will it cover in 4 (1/6) hours?
(11) The cost of 3 (1/2) metres of cloth is Rs 166 (1/4). What is the cost of one metre of cloth?
(12) A cord of length 71 (1/2) m has been cut into 26 pieces of equal length. What is the length. What is the length of each piece?
(13) The area of a room is 65 (1/4) m2. If its breadth is 5 (7/16) metres, what is its length?
(14) The product of two fractions is 9 3/5. If one of the fractions is 9 (3/7), find the other.
(15) In a school, 5/8 of the students are boys. If there are 240 girls, find the number of boys in the school.
(16) After reading 7/9 of a book, 440 pages are left. How many pages are there in the book?
(17) Rita had Rs 300. She spent 1/3 of her money on notebooks and 1/4 of the remainder on stationary items. How much money is left with her?
(18) Amit earns Rs 32000 per month. He spends 1/4 of his income on food; 3/10 of the remainder on house rent and 5/21 of the remainder on the education of children. How much money is still left with him?
(19) If 3/5 of a number exceeds its 2/7 by 44, find the number.
(20) At a cricket test match 2/7 of the spectators were in a covered place while 15000 were in open. Find the total number of spectators.