IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 71 - 78 of 1025
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Question 71
Question MCQ▾
Sum of squares of the two consecutive natural numbers is 113. The two consecutive numbers respectively________
Choices
Choice (4) | Response | |
---|---|---|
a. | 4 and 5 | |
b. | 1 and 2 | |
c. | 7 and 8 | |
d. | 3 and 4 |
Question 72
Question MCQ▾
The product of two consecutive natural numbers is always ________
Choices
Choice (4) | Response | |
---|---|---|
a. | Divisible by 3 | |
b. | A prime number | |
c. | An even number | |
d. | An odd number |
Question 74
Question 75
Question MCQ▾
A circular field has a circumference of 600 km. Two cyclists Sumeet and Samrat start together and can cycle at speeds of 15 km/hr and 20 km/hr respectively round the circular field. After how many hours will they meet again at the starting point?
Choices
Choice (4) | Response | |
---|---|---|
a. | 120 hrs | |
b. | 90 hrs | |
c. | 100 hrs | |
d. | 160 hrs |
Question 78
Question MCQ▾
is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | Not a real number | |
b. | A rational number | |
c. | An irrational number | |
d. | An integer |