Nadhir Sha

Nakul jha

Asked: October 29, 2020In: Class 10

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears (i) a two-digit number (ii) a perfect square number (iii) a number divisible by 5.

NCERT Solutions for Class 10 Maths Chapter 15 Important NCERT Questions PROBABILITY NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:309 Questions No:18

Nakul jha

Asked: October 29, 2020In: Class 10

A game consists of tossing a one rupee coin 3 times and noting its outcome each time. Hanif wins if all the tosses give the same result i.e., three heads or three tails, and loses otherwise. Calculate the probability that Hanif will lose the game.

NCERT Solutions for Class 10 Maths Chapter 15 Important NCERT Questions PROBABILITY NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 9.1 Page No:309 Questions No:23

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

Two customers Shyam and Ekta are visiting a particular shop in the same week (Tuesday to Saturday). Each is equally likely to visit the shop on any day as on another day. What is the probability that both will visit the shop on (i) the same day? (ii) consecutive days? (iii) different days?

Important NCERT Questions PROBABILITY NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 15.2 Page No:311 Questions No:1

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball, determine the number of blue balls in the bag.

NCERT Solutions for Class 10 Maths Chapter 15 Important NCERT Questions PROBABILITY NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 15.2 Page No:311 Questions No:3

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

A box contains 12 balls out of which x are black. If one ball is drawn at random from the box, what is the probability that it will be a black ball? If 6 more black balls are put in the box, the probability of drawing a black ball is now double of what it was before. Find x.

NCERT Solutions for Class 10 Maths Chapter 15 Important NCERT Questions PROBABILITY NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 15.2 Page No:311 Questions No:4

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

2 cubes each of volume 64 cm3 are joined end to end. Find the surface area of the resulting cuboid.

NCERT Solutions for Class 10 Maths Chapter 13 Important NCERT Questions Surface ar eas and Volumes, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 13.1 Page No:244 Questions No:1

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.

NCERT Solutions for Class 10 Maths Chapter 13 Important NCERT Questions Surface ar eas and Volumes, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 13.1 Page No:244 Questions No:2

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius. The total height of the toy is 15.5 cm. Find the total surface area of the toy.

NCERT Solutions for Class 10 Maths Chapter 13 Important NCERT Questions Surface ar eas and Volumes, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 13.1 Page No:244 Questions No:3

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

A cubical block of side 7 cm is surmounted by a hemisphere. What is the greatest diameter the hemisphere can have? Find the surface area of the solid.

NCERT Solutions for Class 10 Maths Chapter 13 Important NCERT Questions Surface areas and Volumes, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 13.1 Page No:244 Questions No:4

Bhagyasri Singh

Asked: October 29, 2020In: Class 10

A hemispherical depression is cut out from one face of a cubical wooden block such that the diameter l of the hemisphere is equal to the edge of the cube. Determine the surface area of the remaining solid.

NCERT Solutions for Class 10 Maths Chapter 13 Important NCERT Questions Surface areas and Volumes, NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 13.1 Page No:244 Questions No:5

Nadhir Sha

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears (i) a two-digit number (ii) a perfect square number (iii) a number divisible by 5.

A game consists of tossing a one rupee coin 3 times and noting its outcome each time. Hanif wins if all the tosses give the same result i.e., three heads or three tails, and loses otherwise. Calculate the probability that Hanif will lose the game.

Two customers Shyam and Ekta are visiting a particular shop in the same week (Tuesday to Saturday). Each is equally likely to visit the shop on any day as on another day. What is the probability that both will visit the shop on (i) the same day? (ii) consecutive days? (iii) different days?

A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball, determine the number of blue balls in the bag.

A box contains 12 balls out of which x are black. If one ball is drawn at random from the box, what is the probability that it will be a black ball? If 6 more black balls are put in the box, the probability of drawing a black ball is now double of what it was before. Find x.

2 cubes each of volume 64 cm3 are joined end to end. Find the surface area of the resulting cuboid.

A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.

A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius. The total height of the toy is 15.5 cm. Find the total surface area of the toy.

A cubical block of side 7 cm is surmounted by a hemisphere. What is the greatest diameter the hemisphere can have? Find the surface area of the solid.

A hemispherical depression is cut out from one face of a cubical wooden block such that the diameter l of the hemisphere is equal to the edge of the cube. Determine the surface area of the remaining solid.

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