This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a ΔABC, E and F are the mid-points of AC and AB respectively. The altitude AP to BC intersects FE at Q. Prove that AQ = QP. |
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Answer» In a ΔABC, E and F are the mid-points of AC and AB respectively. The altitude AP to BC intersects FE at Q. Prove that AQ = QP. |
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| 2. |
In a quadrilateral ABCD, bisectors of A and B intersect at O such that ∠AOB=75∘, then write the value ∠C+∠D. |
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Answer» In a quadrilateral ABCD, bisectors of A and B intersect at O such that ∠AOB=75∘, then write the value ∠C+∠D. |
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| 3. |
A solid cylinder has total surface area of 462 cm2. Its curved surface area is one-third of its total surface area. Find the radius and height of the cylinder. |
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Answer» A solid cylinder has total surface area of 462 cm2. Its curved surface area is one-third of its total surface area. Find the radius and height of the cylinder. |
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| 4. |
In the figure, O is the centre of the circle. Find ∠CBD. |
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Answer» In the figure, O is the centre of the circle. Find ∠CBD.
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| 5. |
Prove that the angle in a segment greater than a semi-circle is less than a right angle. |
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Answer» Prove that the angle in a segment greater than a semi-circle is less than a right angle. |
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| 6. |
The cost of cutting grass in a field is Rs5/cm2.The field is in the shape of a rhombus and one of its side and diagonal is 8cm and 10 cm each.Find the total cost of cutting the grass. [4 MARKS] |
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Answer» The cost of cutting grass in a field is Rs5/cm2.The field is in the shape of a rhombus and one of its side and diagonal is 8cm and 10 cm each.Find the total cost of cutting the grass. [4 MARKS] |
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| 7. |
Bisector AD of ∠BAC of ΔABC passes through the centre O of the circumcircle of ΔABC. Prove that AB = AC. [2 MARKS] |
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Answer» Bisector AD of ∠BAC of ΔABC passes through the centre O of the circumcircle of ΔABC. Prove that AB = AC. [2 MARKS]
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| 8. |
The degree of the polynomial 4x4+0x3+0x5+5x+7 is A) 4 B) 5 C) 3 D) 7 |
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Answer» The degree of the polynomial 4x4+0x3+0x5+5x+7 is |
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| 9. |
Assertion: The point (-5,0) lies on y-axis and (0,-4) on x-axis. Reason: Every point on the x-axis and every point on the y-axis has zero distance from y-axis. Which of the following is correct? |
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Answer» Assertion: The point (-5,0) lies on y-axis and (0,-4) on x-axis. |
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| 10. |
Question 13 Prove that the quadrilateral formed by the bisectors of the angles of a parallelogram is a rectangle. |
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Answer» Question 13 Prove that the quadrilateral formed by the bisectors of the angles of a parallelogram is a rectangle. ![]() |
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| 11. |
Question 65 (ii) How many vertices does the following solid have? Cylinder |
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Answer» Question 65 (ii) How many vertices does the following solid have? Cylinder |
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| 12. |
If the volume of a sphere is equal to the volume of the hemisphere, then the ratio of the radius of the sphere to the radius of the hemisphere is . |
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Answer» If the volume of a sphere is equal to the volume of the hemisphere, then the ratio of the radius of the sphere to the radius of the hemisphere is |
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| 13. |
Which of the following is a pair of supplementary angles? |
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Answer» Which of the following is a pair of supplementary angles? |
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| 14. |
how many years it would take to spend Avogadro's number of Rupees with the rate of 10 lakh rupees per second? |
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Answer» how many years it would take to spend Avogadro's number of Rupees with the rate of 10 lakh rupees per second? |
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| 15. |
In the following figure, ABC and BDE are two equilateral triangles such that D is the mid-point of BC. If AE intersects BC at F, Show that ar(BDE)=12ar(BAE) |
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Answer» In the following figure, ABC and BDE are two equilateral triangles such that D is the mid-point of BC. If AE intersects BC at F, Show that ar(BDE)=12ar(BAE) ![]() |
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| 16. |
Question 4 (i) In the given figure, P is a point in the interior of a parallelogram ABCD. Show that (i)ar(APB)+ar(PCD)=12ar(ABCD) |
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Answer» Question 4 (i) In the given figure, P is a point in the interior of a parallelogram ABCD. Show that (i)ar(APB)+ar(PCD)=12ar(ABCD)
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| 17. |
The following observations have been arranged in a scending order. If the median of the data is 63, find the value of x. 29,32,48,50, x, x +2, 72, 78,84, 95 [2 MARKS] |
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Answer» The following observations have been arranged in a scending order. If the median of the data is 63, find the value of x. 29,32,48,50, x, x +2, 72, 78,84, 95 [2 MARKS] |
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| 18. |
Choose the correct answer in each of the following questions: If ¯x is the mean of x1,x2,xy,…xn then ∑ni=1(xi−¯x)=? (a) -1 (b) 0 (c) 1 (d) n-1 |
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Answer» Choose the correct answer in each of the following questions: |
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| 19. |
The simplest form of 0.3¯¯¯2 is (a)1645 (b)3299 (c)2990 (d) none of these |
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Answer» The simplest form of 0.3¯¯¯2 is (a)1645 (b)3299 (c)2990 (d) none of these |
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| 20. |
Two cones have their heights in the ratio 1 : 3 and the radii of their bases in the ratio 3:1.Show that their volumes are in the ratio 3 : 1. |
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Answer» Two cones have their heights in the ratio 1 : 3 and the radii of their bases in the ratio 3:1.Show that their volumes are in the ratio 3 : 1. |
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| 21. |
In the given figure, if the value of sinθ is ab, find the value of tanθ. |
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Answer» In the given figure, if the value of sinθ is ab, find the value of tanθ. |
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| 22. |
If one angle of a triangle is equal to the sum of the other two,show that the triangle is a right triangle. |
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Answer» If one angle of a triangle is equal to the sum of the other two,show that the triangle is a right triangle. |
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| 23. |
Factorise x9−y9 |
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Answer» Factorise |
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| 24. |
An irrational number between 17 27 is (a)12(17+27) (b)(17×27) (c)√17×27 (d)none of these |
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Answer» An irrational number between 17 27 is (a)12(17+27) (b)(17×27) (c)√17×27 (d)none of these |
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| 25. |
Question 2 (ii) ABCD is a quadrilateral in which AD=BC and ∠DAB=∠CBA (See the given figure). Prove that BD = AC |
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Answer» Question 2 (ii) ABCD is a quadrilateral in which AD=BC and ∠DAB=∠CBA (See the given figure). Prove that BD = AC
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| 26. |
If the measures of the internal angles of a quadrilateral are in the ratio 2:4:5:7, then what is the difference between the measures of the greatest and the least angle? |
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Answer» If the measures of the internal angles of a quadrilateral are in the ratio 2:4:5:7, then what is the difference between the measures of the greatest and the least angle? |
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| 27. |
Using the remainder theorem, find the remainder, when p(x) is divided by g(x), where (px)=6x3+13x2+3,g(x)=3x+2 |
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Answer» Using the remainder theorem, find the remainder, when p(x) is divided by g(x), where |
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| 28. |
What is definition of line? |
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Answer» What is definition of line? |
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| 29. |
The vectors b and c are in the direction of north-east and north-west respectively and |b|=|c|=4. The magnitude and direction of the vector d = c - b, are |
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Answer» The vectors b and c are in the direction of north-east and north-west respectively and |b|=|c|=4. The magnitude and direction of the vector d = c - b, are |
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| 30. |
What is the sum of the measures of the angles of a convex quadrilateral? Will this property hold if the quadrilateral is not convex? (Make a non-convex quadrilateral and try!) |
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Answer» What is the sum of the measures of the angles of a convex quadrilateral? Will this property hold if the quadrilateral is not convex? (Make a non-convex quadrilateral and try!) |
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| 31. |
Prove that the points, (3,0) (6,4) (-1,3) are vertices of a right angled isosceles triangle. |
| Answer» Prove that the points, (3,0) (6,4) (-1,3) are vertices of a right angled isosceles triangle. | |
| 32. |
s=ut+12at2 , make “a” as subject of the formula and find the coefficient of 1t. |
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Answer» s=ut+12at2 , make “a” as subject of the formula and find the coefficient of 1t. |
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| 33. |
If a sheet measuring 1m2 costs Rs 15. The cost of sheet required for making a cuboidal box of dimension 5 m × 6.5m × 6 m is |
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Answer» If a sheet measuring 1m2 costs Rs 15. The cost of sheet required for making a cuboidal box of dimension 5 m × 6.5m × 6 m is |
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| 34. |
In the given figure, LM = LN and ∠PLN=110∘. Find ∠LMN. |
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Answer» |
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| 35. |
What do you call a circle of diameter 2 units? __ |
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Answer» What do you call a circle of diameter 2 units? |
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| 36. |
Question 7 (i) ABC is a triangle right angled at C. A line through the mid-point M of hypotenuse AB and parallel to BC intersects AC at D. Show that D is the mid-point of AC. |
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Answer» Question 7 (i) ABC is a triangle right angled at C. A line through the mid-point M of hypotenuse AB and parallel to BC intersects AC at D. Show that D is the mid-point of AC. |
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| 37. |
How many circles can be drawn circumscribing a given triangle? |
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Answer» How many circles can be drawn circumscribing a given triangle? |
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| 38. |
Express 0.8+0.¯¯¯7+0.4¯¯¯3 in the form pq, where p and q are integers and q≠0. |
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Answer» Express 0.8+0.¯¯¯7+0.4¯¯¯3 in the form pq, where p and q are integers and q≠0. |
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| 39. |
Given that y = -6x + 1 and -3 < x < 23. Then y lies in which of the following intervals. |
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Answer» Given that y = -6x + 1 and -3 < x < 23. Then y lies in which of the following intervals. |
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| 40. |
A solid iron cuboidal block of dimensions 4.4 m×2.6 m×1 m is recasted into a hollow cylindrical pipe of internal radius 30 cm and thickness 5 cm. The length of the pipe is ________. |
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Answer» A solid iron cuboidal block of dimensions 4.4 m×2.6 m×1 m is recasted into a hollow cylindrical pipe of internal radius 30 cm and thickness 5 cm. The length of the pipe is ________. |
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| 41. |
Is 3x=y+7 have infinite many solutions why? |
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Answer» Is 3x=y+7 have infinite many solutions why? |
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| 42. |
The sides of a rectangle are in the ratio 7:3. If its area is 7581 m2, find its perimeter. |
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Answer» The sides of a rectangle are in the ratio 7:3. If its area is 7581 m2, find its perimeter. |
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| 43. |
In a triangle, the sides are given as 11 cm, 12 cm and 13 cm. Find the length of the altitude corresponding to the side having 12 cm. |
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Answer» In a triangle, the sides are given as 11 cm, 12 cm and 13 cm. Find the length of the altitude corresponding to the side having 12 cm. |
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| 44. |
Question 2 Construct a triangle of sides 4 cm, 5 cm and 6 cm and then a triangle similar to it whose sides are 23 of the corresponding sides of the first triangle. |
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Answer» Question 2 Construct a triangle of sides 4 cm, 5 cm and 6 cm and then a triangle similar to it whose sides are 23 of the corresponding sides of the first triangle. |
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| 45. |
A 2 m wide path is built along the border and inside a square garden of side 11 m. The area of the path is_____. |
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Answer» A 2 m wide path is built along the border and inside a square garden of side 11 m. The area of the path is_____. |
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| 46. |
Construct a quadrilateral ABCD of which AB = 3 cm, BC = 5 cm, AC = 4 cm, AD = 5 cm, BD = 5 cm. Then construct a triangle of area equal to the area of ABCD. Find the dimensions of the triangle. |
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Answer» Construct a quadrilateral ABCD of which AB = 3 cm, BC = 5 cm, AC = 4 cm, AD = 5 cm, BD = 5 cm. Then construct a triangle of area equal to the area of ABCD. Find the dimensions of the triangle. |
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| 47. |
How many tangents can be drawn to a circle? |
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Answer» How many tangents can be drawn to a circle? |
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| 48. |
Factorise 27x3+y3+z3−9xyz [2 MARKS] |
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Answer» Factorise 27x3+y3+z3−9xyz [2 MARKS] |
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| 49. |
The lengths of a triangle are 6cm,8cm and 10cm. Then the length of perpendicular from the opposite vertex to the side whose length is 8cm is: |
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Answer» The lengths of a triangle are 6cm,8cm and 10cm. Then the length of perpendicular from the opposite vertex to the side whose length is 8cm is: |
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| 50. |
Write the coordinates of a point which is at a distance of 3 units from the x-axis and 7 units from the y-axis. |
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Answer» Write the coordinates of a point which is at a distance of 3 units from the x-axis and 7 units from the y-axis. |
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