Area Questions and Answers
Practice ModeShowing 10 of 80 questions
Q31
If the area of a rhombus is 15sq. cm and the length of one of its diagonals is 5 cm, then the length of the other diagonal is ;
Answer: Option C
Q32
In a rhombus whose area is 144 sq. cm, one of its diagonals is twice as long as theother. theength of its diagonals are :
Answer: Option A
Q33
The perimeterof rhumbus is 52 metres and its shorter diagonal is 10 metres long. The length of longer diagonal is :
Answer: Option D
Q34
The length of one diagonal of a rhombus is 80% of the other diagonal. The area of the rhombus is how many times the square of the length of the longer diagonal ?
Answer: Option B
Q35
If a square and a rhombus stand on the same base, then the ratio of the areas of the square and the rhombus is :
Answer: Option B
Q36
The parallel sides of a trapezium are in the ratio of 3 : 5 and the perpendicular distance between them is 12 cm. If the area of the trapezium is 384 sq. cm, then the smaller of the parallel sides is :
Answer: Option B
Q37
The cross section of a canal is trapezium in shape. The canal is 12 m wide at the top and 8 m wide at the bottom. If the area of the cross section is 840 sq. m, the depth of the canal is :
Answer: Option B
Q38
The area of a circle is 38.5 sq.cm. Its circumference is :
Answer: Option C
Q39
The areas of two concentric circles forming a ring are 154 sq.com and 616 sq.cm. the breadth of the ring is :
Answer: Option A
Q40
A circular road runs round a circular ground. If the diference between the circumferences of the outer circle andinner circle is 66 metres. the width of the road is :
Answer: Option C