NSO Level 1- Science Olympiad (SOF) Class 7: Questions 37 - 41 of 699
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Question 39
Question MCQ▾
Aryan has 5 pairs of jeans, 4 shirts and 2 pairs of shoes. He wears a different outfit everyday. How many possible combinations can he wear?
Choices
Choice (4) | Response | |
---|---|---|
a. | 34 | |
b. | 40 | |
c. | 38 | |
d. | 42 |
Question 40
Question MCQ▾
Let two planes mirrors are placed parallel to each other, and a light ray incident on a mirror, which is reflected repeatedly. After some reflection the intensity of light rays:
Choices
Choice (4) | Response | |
---|---|---|
a. | Decrease | |
b. | Increase | |
c. | Remains same | |
d. | Question does not provide sufficient data or is vague |