Pair of Linear Equations in Two Variables [IMO Level 1- Mathematics Olympiad (SOF) Class 10]: Questions 1 - 5 of 83
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Question 1
Question MCQ▾
At the end of the year 2006, Prit was half old as his grandpa. The sum of the years in which they were born is 3922. Age of Prit at the end of year 2007 is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 21 years | |
b. | 41 years | |
c. | 31 years | |
d. | 51 years |
Question 2
Question MCQ▾
Places and are 120 km apart from each other on a national highway. A car starts from and another from at the same time. If they go in the same direction then they meet in 6 hours and if they go in opposite directions they meet in hours. The speeds of the cars are ________
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 3
Question MCQ▾
The digit at the ten՚s place of a two digit number is twice the digit at the unit՚s place. If the sum of this number and the number formed by reversing the digits is 99, find the number.
Choices
Choice (4) | Response | |
---|---|---|
a. | 24 | |
b. | 52 | |
c. | 36 | |
d. | 63 |
Question 4
Question MCQ▾
The ratio between a two – digit number and the sum of digits of that number is . If the digit in the unit place is 3 more than the digit in the tenth place, what is the number?
Choices
Choice (4) | Response | |
---|---|---|
a. | 40 | |
b. | 63 | |
c. | 24 | |
d. | 36 |
Question 5
Question MCQ▾
The value of k for which the system of equations has no solution, is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 | |
b. | 10 | |
c. | 6 | |
d. | 3 |