Discussion
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- Question
Which of the following is not true for a rhombus?
Options- A. All sides are congruent
- B. Opposite sides are parallel
- C. Diagonals are equal
- D. Diagonals bisect each other at right angles
- Correct Answer
- Diagonals are equal
- 1. The radius and the height of a cone are each increased by 20%. Then the volume of the cone increases by
Options- A. 20%
- B. 20.5%
- C. 62%
- D. 72.8% Discuss
- 2. PQR is an equilateral triangle. MN is drawn parallel to QR such that M is on PQ and N is on PR. If PN = 6 cm, then the length of MN is
Options- A. 3 cm
- B. 6 cm
- C. 12 cm
- D. 4.5 cm Discuss
- 3. Two circles touch each other internally. The radius of the smaller circle is 6 cm and the distance between the centre of two circles is 3 cm. The radius of the larger circle is
Options- A. 7.5 cm
- B. 9 cm
- C. 8 cm
- D. 10 cm Discuss
- 4. Number of circles that can be drawn through three non-colinear points is
Options- A. exactly one
- B. two
- C. three
- D. more than three Discuss
- 5. An inverted conical shaped vessel is filled with water to its brim. The height of the vessel is 8 cm and radius of the open end is 5 cm . When a few solid spherical metallic balls each of radius 1?2 cm are dropped in the vessel , 25% water is overflowed. The number of balls is:
Options- A. 100
- B. 400
- C. 200
- D. 150 Discuss
- 6. The ratio between the vertical angle and a base angle of an isosceles triangle is 4:3. The value of any one base angle is
Options- A. 18 deg
- B. 54 deg
- C. 72 deg
- D. 10 deg Discuss
- 7. In ?ABC, ?B=90 deg and BC= ?3 AB. Find the measurement of ?A
Options- A. 45 deg
- B. 90 deg
- C. 30 deg
- D. 60 deg Discuss
- 8. The height of a right circular cylinder is twice its radius of the base. If its height be 6 times its radius of the base, then the volume of the cylinder will be 539 cub.cm more. Assuming ? = 22/7, the height of the cylinder is
Options- A. 5 cm
- B. 7 cm
- C. 9 cm
- D. 11 cm Discuss
- 9. Two circles with centres P and Q touch each other externally. A straight line drawn through the point of contact intersects the circle with centre P at A and the circle with centre Q at B. Then, which of the following is true?
Options- A. AP = BQ
- B. AP | BQ
- C. AP || BQ
- D. AP = 1?2 BQ Discuss
- 10. Possible length of the three sides of a triangle are :
Options- A. 2 cm , 3 cm , 6 cm
- B. 3 cm , 4 cm , 5 cm
- C. 2.5 cm , 3.5 cm , 6 cm
- D. 4 cm , 4 cm , 9 cm Discuss
Volume and Surface Area problems
Search Results
Correct Answer: 72.8%
Correct Answer: 6 cm
Correct Answer: 9 cm
Correct Answer: exactly one
Correct Answer: 100
Correct Answer: 54 deg
Correct Answer: 60 deg
Correct Answer: 7 cm
Correct Answer: AP || BQ
Correct Answer: 3 cm , 4 cm , 5 cm
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