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Class 12th

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New answer posted

5 months ago

Class 12th Physics

In an ideal transformer, the turns ratio is N P N S = 1 2 . The ratio V S : V P  is equal to (the symbols carry their usual meaning) :
0 Follower 3 Views

A
alok kumar singh

Contributor-Level 10

According to transformer ratio,

V S V P = N S N P = 2 : 1

New answer posted

5 months ago

Class 12th Physics Wave Optics

A thin flat circular disc of radius 4.5 cm is placed gently over the surface of water. If surface tension of water is 0.07 N m−1 , then the excess force required to take it away from the surface is
0 Follower 8 Views

A
alok kumar singh

Contributor-Level 10

Excess force  = T * 2 π R

= 7 1 0 0 * 2 * 3 . 1 4 * 4 . 5 1 0 0

= 1 9 7 . 8 2 * 1 0 − 4

=19.8*10−3 N

=19.8mN

New answer posted

5 months ago

Class 12th English

Direction for question 13 to 16: Go through the chart given below and solve the questions based on it.

Given below are the win loss histories of four tennis players in their career.

Result/Players

P

Q

R

S

Won

23

18

10

16

Won

13

16

13

14

Lost

8

13

16

13

Lost

6

8

20

17

Who has lost the maximum percentage of matches played?
0 Follower 3 Views

V
Vishal Baghel

Contributor-Level 10

(c)                                                                                                                                                                 

New answer posted

5 months ago

Class 12th English

Direction for question 13 to 16: Go through the chart given below and solve the questions based on it.

Given below are the win loss histories of four tennis players in their career.

Result/Players

P

Q

R

S

Won

23

18

10

16

Won

13

16

13

14

Lost

8

13

16

13

Lost

6

8

20

17

As in the case above what is the highest average prize money won per money won per match by any player?
0 Follower 3 Views

V
Vishal Baghel

Contributor-Level 10

the highest average is Rs. 136   

New answer posted

5 months ago

Class 12th English

Direction for question 13 to 16: Go through the chart given below and solve the questions based on it.

Given below are the win loss histories of four tennis players in their career.

Result/Players

P

Q

R

S

Won

23

18

10

16

Won

13

16

13

14

Lost

8

13

16

13

Lost

6

8

20

17

As in the case above what is the lowest average prize money won per money won per match by any player?
0 Follower 1 View

V
Vishal Baghel

Contributor-Level 10

Using the data from above question, the lowest average is Rs. 100.

New answer posted

5 months ago

Class 12th English

Direction for question 13 to 16: Go through the chart given below and solve the questions based on it.

Given below are the win loss histories of four tennis players in their career.

Result/Players

P

Q

R

S

Won

23

18

10

16

Won

13

16

13

14

Lost

8

13

16

13

Lost

6

8

20

17

If a win carries an award of Rs. 150 and a loss carries of Rs. 100, what is the largest difference in prize money earned among the four?
0 Follower 1 View

V
Vishal Baghel

Contributor-Level 10

We get the following table of earnings:

Persons

Win Total

Average

P

36 * 150 + 14 * 100 = 6800

136

Q

34 * 150 + 21 * 100 = 7200

131

R

23 * 150 + 36 * 100 = 6850

116

S

30 * 150 + 30 * 100 = 6000

100

Now we can see that the largest difference

= Maximum – Minimum = Rs. 7500 – Rs. 6800

= Rs. 700

New answer posted

5 months ago

Class 12th English

Direction for question 9 to 12: Go through the chart given below and solve the questions based on it.

Chart given below represents total number of persons (in hundreds) who have passed out from IIMs and IITs in each from 2014 to 2018. The IITs and IIMs are among the best known professional institutes in India and offer courses in the areas of engineering and mangment respectively. Both the IIMs and IITs have six campuses located in various cities of India, none of the cities being common.

During the given period, the total pass outs from IIMs as a ratio of total pass outs from IITs is
0 Follower 1 View

V
Vishal Baghel

Contributor-Level 10

IITs = 60; IIMS = 40   

New answer posted

5 months ago

Class 12th English

Direction for question 9 to 12: Go through the chart given below and solve the questions based on it.

Chart given below represents total number of persons (in hundreds) who have passed out from IIMs and IITs in each from 2014 to 2018. The IITs and IIMs are among the best known professional institutes in India and offer courses in the areas of engineering and mangment respectively. Both the IIMs and IITs have six campuses located in various cities of India, none of the cities being common.

How many times during the given period has the growth in pass outs from IITs exceed 25 percent over previous year?
0 Follower 1 View

V
Vishal Baghel

Contributor-Level 10

(b)                                                                                                                                                                                      &n

...more

New answer posted

5 months ago

Class 12th English

Six friends Amar, Deepu, Manoj, Preet, Rajan and Sahil married within a year in the months of February, April, July, September, November and Decemeber and in the cities of Ahmedabad, Bengaluru, Chennai, Delhi Mumbai and Kolkata, but not necessarily following the above order. The brides' names were Geetika, Jasmine, Hema, Brinda, Ipsita and Veena, once again not following any order. The following aer some facts abnout their weddings.

Manoj's wedding took place in Chennai' however he was not married to Geetika or Veena.

Amar's wedding took place in Ahmedabad and Rajan's in Delhi however neither of them was married to Jasmine or Brinda.

T

...more
0 Follower 1 View

P
Payal Gupta

Contributor-Level 10

Friends

Wives

Venue of wedding

Month

Amar

Veena

Ahmedabad

July

Deepu

Geetika

Kolkata

February

Manoj

Ipsita

Chennai

November

Preet

Brinda

Mumbai

December

Rajan

Hema

Delhi

April

Sahil

Jasmine

Benguluru

September

New answer posted

5 months ago

Class 12th English

Direction for question 9 to 12: Go through the chart given below and solve the questions based on it.

Chart given below represents total number of persons (in hundreds) who have passed out from IIMs and IITs in each from 2014 to 2018. The IITs and IIMs are among the best known professional institutes in India and offer courses in the areas of engineering and mangment respectively. Both the IIMs and IITs have six campuses located in various cities of India, none of the cities being common.

Compared to 2017, the number of management graduates in 2018 has.
0 Follower 1 View

V
Vishal Baghel

Contributor-Level 10

It is not given if IIMs are the only institutes providing management degrees, there can be more institutes providing management degree.

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