Direct and Inverse Proportions [IMO Level 1- Mathematics Olympiad (SOF) Class 8]: Questions 1 - 6 of 64
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Question 1
Question MCQ▾
can do a piece of work in 15 days and can do alone it in 10 days. B works at it for 6 days and then leaves. alone can finish the remaining work in________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 7.5 days | |
b. | 5 days | |
c. | 6 days | |
d. | 6.5 days |
Question 2
Question 3
Question MCQ▾
A shopkeeper has just enough money to buy 45 cycles worth Rs 600.00 each. If each cycle were to cost ₹ 15.00 more, then number of cycles, he will be able to buy with that amount of money, is________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 42 | |
b. | 40 | |
c. | 35 | |
d. | 43 |
Question 4
Question MCQ▾
A clothing store is able to purchase 20 coats worth Rs 500.00 each. If each coat were to cost ₹ 50.00 more, then numbers of coats that will be able to buy with that amount of money is________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 25 | |
b. | 18 | |
c. | 16 | |
d. | 20 |
Question 5
Question MCQ▾
A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 2: 3: 4. If their total value is ₹ 20, the number of 5 paise coins is ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 80 | |
b. | 70 | |
c. | 60 | |
d. | 50 |
Question 6
Question MCQ▾
Two numbers are in the ratio 1: 3. If each number is increased by 9, the ratio becomes 3: 5. The numbers are________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 4.5,13.5 | |
b. | 13,14 | |
c. | 3.5,14.7 | |
d. | 35,25 |