The radius of the circle is 3 times the radius of another circle, the circumference of the new circle will be how many times the circumference of the smaller circle?
- ✓3 times
- B$\frac{1}{3}$ times
- C6 times
- D9 times
Answer: A.
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MCQ
16 Q→022 Marks Questions
35 Q→033 Marks Question
1 Q→04Fill in the blanks.
16 Q→054 Marks Questions
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4 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: A.
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View full solution →Answer: D.
View full solution →| Column - I | Column - II |
| (a) How many km apart will they be at the end of $2 \frac{1}{2}$ hours, If they walk in opposite direction? | (i) 32 hours |
| (b) How many km apart will they be at the end of $2 \frac{1}{2}$ hours, if the walk in same direction? | (ii) $1 \frac{1}{4} km$ apart |
| (c) What time will they take to be 16 km apart if they walk in opposite directions. | (iii) $2 \frac{6}{13}$ hours |
| (d) What time will they take to be 16 km apart if they walk in same direction? | (iv) $16 \frac{1}{4} km$ apart |
| Column - I | Column - Il |
| (a) Person sitting left to D | (i) D |
| (b) Person sitting left to C | (ii) F |
| (c) Person sitting opposite to B | (iii) E |
| (d) Person sitting opposite to C | (iv) A |
| Column-I | Column-II |
| (a) The angle between the minute hand and the hour hand of a clock when the time is 4.20 is | (i) 130° |
| (b) At 3.40, the hour hand and the minute hand of a clock form an angle of | (ii) $43 \frac{7}{11}$ min past 5 |
| (c) At what time between 5.30 and 6 will the hands of a clock be at right angles? | (iii) 10 |
| (d) At what time between 4 and 5 o'clock will hand of a watch point in opposite direction? | (iv) $54 \frac{6}{11}$ min past 4 |
| Column 1 | Column 2 |
| (a) The mean of $1^2, 2^2, 3^2, 4^2, 5^2, 6^2$, $7^2$ is | (i) 50 |
| (b) The average of all odd numbers upto 100 is | (ii) 23 |
| (c) The average of a non-zero number and its square is 5 times the number. The number is | (iii) 20 |
| (d) The average of 7 consecutive numbers is 20. The largest number is | (iv) 9 |
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