IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 187 - 192 of 1059
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Question 187
Question
MCQ▾The expression is equivalent to , uses the ________ property.
Choices
Choice (4) | Response | |
---|---|---|
a. | Commutative | |
b. | Associative | |
c. | Closure | |
d. | Identity |
Question 188
Question
MCQ▾Multiply the unit՚s place of the number obtained by reversing the digits of the number 78923 with the hundred՚s place of the number obtained by interchanging the digits in the unit՚s place and the thousand՚s place of the same number, we get________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 16 | |
b. | 54 | |
c. | 64 | |
d. | 63 |
Question 189
Question
MCQ▾A number is always divisible by 60 if
Choices
Choice (4) | Response | |
---|---|---|
a. | It is divisible by both 4 and 15 | |
b. | It is divisible by both 2 and 30 | |
c. | It is divisible by both 6 and 10 | |
d. | All a., b. and c. are correct |
Question 190
Question
MCQ▾Subtract the number obtained by reversing the digits of the number 20198 from the number obtained by interchanging the digits in the unit՚s place and the hundred՚s place of the same number, we get________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 77121 | |
b. | - 68229 | |
c. | 68004 | |
d. | - 68211 |
Question 191
Question
MCQ▾Find the sum of the given expression.
Choices
Choice (4) | Response | |
---|---|---|
a. | - 90 | |
b. | - 100 | |
c. | 55 | |
d. | 100 |
Question 192
Question
MCQ▾There are 165 pens and 195 pencils. These pens and pencils are to be arranged in bags containing the same number of pens and pencils. Then the greatest number of pens and pencils possible in each bag is
Choices
Choice (4) | Response | |
---|---|---|
a. | 23 | |
b. | 13 | |
c. | 15 | |
d. | 18 |