Metallic spheres of radii 6 cm 8 cm and 10 cm respectively are | Exercise 13.3 Class 10 Maths Question 2

Q: Metallic spheres of radii 6 cm 8 cm and 10 cm respectively are melted to form a single solid sphere. Find the radius of the resulting sphere.

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A well of diameter 3m is dug 14m deep | Exercise 13.3 Class 10 Maths Question 4

Q: A well of diameter 3 m is dug 14 m deep. The earth taken out of it has been spread evenly all around it in the shape of a circular ring of width 4 m to form an embankment.…

A 20 m deep well with diameter 7 m is dug and the earth from digging | Ex 13.3 Class 10 Maths Q 4

Q: A 20 m deep well with diameter 7 m is dug and the earth from digging is evenly spread out to form a platform 22 m by 14 m. Find the height of the platform.…

A container shaped like a right circular cylinder having diameter 12cm | Ex 13.3 Class 10 Maths Q5

Q: A container shaped like a right circular cylinder having diameter 12 cm and height 15 cm is full of ice cream. The ice cream is to be filled into cones…

A cylindrical bucket 32cm high and with radius of base 18cm is filled with sand | Ex 13.3 Class 10 Maths Q7

Q: A cylindrical bucket, 32 cm high and with radius of base 18 cm, is filled with sand. This bucket is emptied on the ground and a conical heap of…

How many silver coins 1.75 cm in diameter and of thickness 2mm | Ex 13.3 Class 10 Maths Q6

Q: How many silver coins, 1.75 cm in diameter and of thickness 2 mm, must be melted to form a cuboid of dimensions 5.5 cm × 10 cm × 3.5 cm?


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In a flower bed, there are 23 rose plants in the first row | Class 10 Maths Chapter 5 Example 10

Example 10 : In a flower bed, there are 23 rose plants in the first row, 21 in the second 19 in the third and so on. There are 5 rose plants in the last row.…

Find the 31st term of an AP whose 11th term is 38 and the 16th term is 73. | Class 10 Maths Chapter 5 Exercise 5.2 Question 7

Q7: Find the 31st term of an AP whose 11th term is 38 and the 16th term is 73.


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How many multiples of 4 lie between 10 and 250 | Class 10 Maths Chapter 5 Exercise 5.2 Question 14


Q14: How many multiples of 4 lie between 10 and 250?


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for what value of n are the nth term of the ap 63 65 67 and 3 10 17 equal | Class 10 Maths Ex 5.2 Q 15


Q15: For what value of n, are the nth terms of two APs: 63, 65, 67, . . . and 3, 10, 17, . . . equal?


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Determine the AP whose third term is 16 and the 7th term exceeds the 5th term by 12


Q16: Determine the AP whose third term is 16 and the 7th term exceeds the 5th term by 12.


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Find the 20th term from the last term of the ap 3 8 13 and 253 | Class 10 Maths Ex 5.2 Q17


Q17. Find the 20th term from the last term of the AP : 3, 8, 13, . . ., 253.


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The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44 | Class 10 Maths Ex 5.2 Q18


Q18. The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of the AP.…

Find the Sum of the first 22 terms of the AP 8 3 - 2 | Class 10 Maths Chapter 5 Example 11


Example 11 : Find the sum of the first 22 terms of the AP : 8, 3, –2, . . .


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If the sum of the first 14 terms of an AP is 1050 and its first term is 10 find the 20th term | Class 10 Maths Chapter 5 Example 12


Example 12 : If the sum of the first 14 terms of an AP is 1050 and its first term is 10, find the 20th term.


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How many Terms of the AP 24 21 18 must be taken so that their Sum is 78 | Class 10 Maths Chapter 5 Example 13


Example 13 : How many terms of the AP : 24, 21, 18, . . . must be taken so that their sum is 78?


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Find the sum of first 24 terms of the list of numbers whose nth term is given by an=3+2n | Class 10 Maths Chapter 5 Example 15


Example 15 : Find the sum of first 24 terms of the list of numbers whose nth term is given by: an = 3 + 2n


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