NCO- Cyber Olympiad (SOF) Class 8: Questions 135 - 138 of 510
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Question 135
Question MCQ▾
Two chords AB and CD of a circle cut each other when produced outside the circle at P. If AD and BC are joined, and , find .
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 136
Question MCQ▾
Statement 1: The cube of a number is that number raised to the power of 3.
Statement 2: The natural number n is a perfect cube if for some natural number m.
Statement 3: The cube of an even natural number is even.
Statement 4: The cube of an odd natural number is odd.
State whether the above statements are correct or incorrect?
Choices
Choice (4) | Response | |
---|---|---|
a. | Statements 1,2 and 3 are incorrect | |
b. | Only statements 1 and 3 are correct | |
c. | Statements 2,3 and 4 are incorrect | |
d. | All statements are correct |
Question 137
Question MCQ▾
The monthly salaries of A, B, C are in the proportion 5: 3: 8. If C՚s monthly salary is ₹ 800 more than that of A, then B՚s annual salary is
Choices
Choice (4) | Response | |
---|---|---|
a. | ₹ 12000 | |
b. | ₹ 4000 | |
c. | ₹ 10200 | |
d. | ₹ 9600 |
Question 138
Question MCQ▾
A man goes to a place at the rate of 8 kmph. He comes back on a bicycle at 12 kmph. His average speed for the entire journey is:
Choices
Choice (4) | Response | |
---|---|---|
a. | 5.4 kmph | |
b. | 10 kmph | |
c. | 4.8 kmph | |
d. | 5 kmph |