IMO Level 1- Mathematics Olympiad (SOF) Class 5: Questions 15 - 20 of 888
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Question number: 15
Question
Which of these could be solved by using the sentence
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Shan is 3 times as old as as Sanjit. If A is Sanjit’s age in years, how old is Shan? | |
b. | Tara is 3 years older than Fanny. If A is Fanny’s age in years, how old is Tara? | |
c. | Nayan is one-third as old as Anand. If A is Nayan’s age, how old is Anand? | |
d. | Geeta is 3 years younger than Suhana. If A is Suhana’s age in years, how old is Geeta? | |
Question number: 16
Question
There are 147 toffees in a packet. How many toffees are there in 9 such packets?
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
| |
b. |
| |
c. |
| |
d. |
| |
Question number: 17
Question
Star Represent the Twice Differences
is twice the difference between the 9th and 7th multiple of 5. Find
Star Represent the Twice Differences
?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 1 | |
b. | 20 | |
c. | 2 | |
d. | 10 | |
Question number: 18
Question
=________
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 1 | |
b. | 10 | |
c. | 100 | |
d. | None of the above | |
Question number: 19
Question
Cost of 14 calculators is rupees 1456. How much is the cost of 7 such calculators?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 726 rupees | |
b. | 728 rupees | |
c. | 826 rupees | |
d. | Question does not provide sufficient data or is vague | |
Question number: 20
Question
A balloon seller sold 236 red balloons, 23 white balloons and 749 blue balloons. How many balloons were sold in all?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 186 | |
b. | 1008 | |
c. | 1005 | |
d. | 654 | |