k1. Find the ratio of the following:-
(a) 26 to 39 (b) 95 to 95 (c) 54 to 135 (d) 42 to 70 (v) 102 to 68
2. Express the following a ratio in the simplest terms:-
(a) 6 : 15 (b) 15 : 25 (c) 2.5 : 7.5 (d) 15 paise : Rs 1.75 (e) 15 kg : 1020gm
3. Fill in the following boxes:-
(a) 1824= 3[ ]=[ ]20 (b) 2440= [ ]5= 12[ ] (c) 3663=4[ ]=[ ]21 (d) 72[ ]=[ ]5=810=[ ]60
4. Write in the simplest form:-
(a) 112 :312 (b) 213 : 214 (c) 515 :213 (d) 113 :312 :114 (e) 12 :13 :14 (f) x3 : 5x2
5. Determine whether the following numbers are in proportion or not.
(a) 2, 3, 3, 9 (b) 21, 6, 35, 10 (c) 12, 18, 28, 12 (d) 5.2, 3.9, 3, 4 (e)15, 24, 35, 56
6. State whether the statements given below are true or false:-
(a) 3 : 10 :: 15 : 50 (b) 2 : 4 :: 60 : 120 (c) 35 : 70 : : 2 : 4 (d) 4 : 12 :: 9 : 27 (e) 25 : 30 :: 40 : 48
7.Find the value of ‘x’
(a) 35 : 70 :: x : 4 (b) 9 : 12 :: 6 : x (c) 6 : 10 :: x :25 (d) 4 : 10 : 36 : x (e) 2 : x : 10 : 25
8. Complete the following proportion by filling the boxes:-
(a) 2 : 3 :: 8 : [ ] (b) 5 : 7 : : 25 : [ ] (c) 6 : 5 :: [ ] : 30 (d) 8 : 3 :: [ ] : 24
9. Solve the following problems:-
(i) Divide 243ninto three parts in the ratio 2 : 3 : 4.
(ii) Divide Rs 91,000 among A, B and C in the ration 12 :13 :14
(iii) A profit of Rs 7,500 is to be shared among three persons in the ratio 6 : 9 : 10. How much does each person get?
(iv) The angles of a triangle are in the ratio 3 : 2 : 1. Find the angles.
(v) There are 24 girls and 36 boys in a class. (a) What is the ratio of the number of girls to the total number of students in the class? (b) What is the ratio of the number of girls to the number of boys?
(vi) Vishal’s monthly salary is Rs4250. If his monthly expenditure is Rs3500, find the ratio of
(a) his salary of his expenditure (b) his savings to his expenditure; (c) his savings to his salary.
(vii) A father and his son are respectively 50 years and 20 years old. Find the ratio of father’s age to his son’s age, when (a) the son was 10 years old; (b) the father was 35 years old;
(c) the son will be 40 years old; (d) the father will be 75 years old
(VIII) Income of Rahim is Rs 12000 per month and that of Ami is Rs 191520 per annum. If the monthly expenditure of each of them is Rs 9960 per month find the ratio of their savings
(IX) Which ratio is larger 10 : 21 or 21 : 93?
(X)Reshma prepared 18kg of Burfi by mixing Khoya with sugar in the ratio of 7 : 2. How much Khoya did she use?
(XI) A line segment 56cm long is to be divided into two parts in the ratio of 2 : 5. Find the length of each part.
(XII) The number of milk teeth in human beings is 20 and the number of permanent teeth is 32. Find the ratio of the number of milk teeth to the number of permanent teeth.
(XIII) In a year, Ravi earns Rs 360000 and paid Rs 24000 as income tax. Find the ratio of his
(a) income to income tax. (b) income tax to income after paying income tax.
(XIV) Ramesh earns Rs 28000 per month. His wife Rama earns Rs 36000 per month. Find the ratio of
(a) Ramesh’s earnings to their total earnings (b) Rama’s earnings to their total earnings.
(XV) Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of (a) men to that of women. (b) men to the total number of persons.
(c) women to the total number of persons.
(XVI) A car can travel 240km in 15 litres of petrol. How much distance will it travel in 25 litres of petrol?
(XVII) Bachhu Manjhi earns Rs 24000 in 8 months. At this rate,
(a) how much does he earn in one year? (b) in how many months does he earn Rs 42000?
(XVIII) The yield of wheat from 8 hectares of land is 360 quintals. Find the number of hectares of land required for a yield of 540 quintals?
(XIX) The earth rotates 360o about its axis in about 24 hours. By how much degree will it rotate in 2 hours?
(XX) A metal pipe 3 metre long was found to weigh 7.6kg. What would be the weight of the same kind of 7.8m long pipe?
Answers
Answered by
20
Answer:
1.a 2:3
b. 1:1
c. 2:5
d. 3:5
e. 3:2
Answered by
3
Answer:
please answer please answer
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