Description : Consider the following DataFrame, classframe Rollno Name Class Section CGPA Stream St1 1 Aman IX E 8.7 Science -Technology
Last Answer : i. classframe[‘Activity’]=[‘Swimming’,’Dancing ’,’Cricket’, ‘Singing’]ii. classframe.loc[‘St5’]=[1,’Mridula’, ‘X’, ‘F’, 9.8, ‘Science’]
Description : Consider the following dataframe, and answer the questions given below: -Technology
Last Answer : (i) print(df.mean(axis = 1, skipna = True)) print(df.mean(axis = 0, skipna = True))(ii) print(df.sum(axis = 1, skipna = True))(iii) print(df.median())
Description : Consider the table STUDENT given below: RollNo Name Class DOB Gender City Marks 1 Anand XI 6/6/97 M Agra 430 -Technology
Last Answer : (1)b. Both (iii) and (iv)(2) b.RollnoNameClassDOBGenderCityMarks6734MaakhiyNehaGeetPreetiXIXXIXII12/12/948/12/956/5/978/8/95FFFFDubaiMoscowAgraMumbai256324470492
Description : ...method in Pandas can be used to change the index of rows and columns of a Series or Dataframe : -Technology
Last Answer : Correct option(ii)reindex
Description : In a DataFrame, Axis= 1 represents the elements. -Technology
Last Answer : In a DataFrame, Axis= 1 represents thecolumn elements.
Description : In Pandas the function used to check for null values in a DataFrame is ..... -Technology
Last Answer : In Pandas the function used to check for null values in a DataFrame isisnull()
Description : Write a program in Python Pandas to create the following DataFrame batsman from a Dictionary: B_NO Name Score1 Score2 -Technology
Last Answer : Alternative Answer
Description : In ΔABC and ΔDEF, AB = DE, AB || DE, BC = EF and BC || EF. Vertices A, B and C are joined to vertices D, E and F respectively (see Fig. 8.22). Show that (i) quadrilateral ABED is a parallelogram ( ... CF and AD = CF (iv) quadrilateral ACFD is a parallelogram (v) AC = DF (vi) ΔABC ≅ ΔDEF. -Maths 9th
Last Answer : . Solution: (i) AB = DE and AB || DE (Given) Two opposite sides of a quadrilateral are equal and parallel to each other. Thus, quadrilateral ABED is a parallelogram (ii) Again BC = EF and BC || EF ... (Given) BC = EF (Given) AC = DF (Opposite sides of a parallelogram) , ΔABC ≅ ΔDEF [SSS congruency]
Description : Consider the following tables PATIENT and TEST and answer the questions that follow : -Technology
Last Answer : Primary key in PATIENT and TEST tables are PCODE and TESTID respectively. Because primary key of a relational table uniquely identifies each record.Foreign key in PATIENT table is TESTID whose value is derived from the primary key (TESTID) of another table (TEST).
Description : 1 Cash Balance ₹ 33,000 Bank Balance ₹ 8,000 3 Received from Prerna cash ₹ 2,750 and a bearer cheque for ₹ 645.
Last Answer : Enter the following transaction of Hariram Bros, in a cash book with cash and bank column for the month of ... the bank all cash in excess of ₹ 5,000.
Description : Phule prerna is improved variety of — flower crop(Agriculture MCQ) • Tuberose • Rose • Gladiolus • Carnation
Last Answer : • Gladiolus
Description : Write a program to declare structure student having rollno, name & marks.
Last Answer : Accept and display data for three students. #include #include void main() { int i; struct student{ int rollno; char name[20]; int marks; } s[3]; clrscr(); for(i=0;i
Description : Mr. Singh and Mr. Tyagi want to send a song from each other. Both having a mobile phone. -Technology
Last Answer : Bluetooth technology is used for sharing the data like audio, video etc. Using this technology, users of cellular phones, initiate the sending or receiving data. In general, having all mobiles and fixed ... Tyagi can send a song to each other by using a bluetooth technology easily within short time.
Description : The Union Government on 22 May 2016 appointed whom as the new Lieutenant Governor of the Union Territory (UT) of Pondicherry? (1) Kiran Bedi (2) Kalyan Singh (3) Ram Naik (4) Mukul Sangma
Last Answer : (1) Kiran Bedi Explanation: BJP leader and former IPS officer Kiran Bedi was, in May 2016, appointed Lieutenant Governor of Puducherry. The post had been lying vacant after the Narendra Modi ... The Union Territory was under the additional charge of Lt. Governor of Andaman and Nicobar Islands.
Description : Look at the given table called ‘Item’ and answer the questions. ItemId ItemName ItemStock ItemDOP Quanity Purchased -Technology
Last Answer : 1. ItemID —> TextItemName —> TextItemStock —> NumberItemDOP —> DateQuantityPurchased —> Number2. ItemID and ItemName can act as primary key.
Description : Answer the following questions based on the database given below: Prod_Id Prod_Name Category -Technology
Last Answer : 1. The primary key of the given table Product will be Prod _Id because no two products have the same Product_Id. So, it will be uniquely identified for each record in the table.2. The suitable data ... = 88. The data type OLE Object is suitable for adding the photograph of the product to the table.
Description : Observe the following code carefully and answer the questions that follow: -Technology
Last Answer : The output of the above code will be:The Dos and Don'ts of network securityAs per the output it is evident that the list elements specified as li have been displayed in Lower case due to :text-transform: ... Also, there is a space of 10 pixels between each letter due to : letter-spacing : 10 px ;
Description : Carefully observe the following labeled screenshot and answer the questions that follow: -Technology
Last Answer : (a) Form element labeled as 1 is a Textbox and Form element labeled as 2 is a Textarea.(b)Text areas are the fields that display multiple text lines at a time hence it has been used to ... of items.To highlight one item in a dropdown box , selected clause is used in theEg:SINGAPOREJAPAN MALAYSIA
Description : Which of these numbers prime 20 or 21 or 22 or 23 or 24?
Last Answer : You can work this out, Prime numbers can only be divided bythemselves or 1. Therefore as 20 can be divided by 2 it it notprime. The same is true for 22 and 24. Thus the prime must beeither 21 or 23.See if either of these numbers can be divided by 7, if it canthen the prime must be the other number.
Description : How can you make 24 using the numbers 21 22 23 and 20?
Last Answer : (23-21) x 22-20
Description : Rashid buys 3 books for Rs: 16 each and four books for Rs: 23 each. What will be the average price of the books? A. 18 B. 20 C. 22 D. 24
Last Answer : ANSWER: B
Description : Under which one of the following Sections of the Scheduled Castes and Scheduled Tribes Rules, 1995 has Material for Annual Report been provided? (1) Section 18 (2) Section 20 (3) Section 22 (4) Section 24
Last Answer : (1) Section 18 Explanation: Under section 18, Scheduled Castes and Scheduled Tribes Rules, 1995 has Material for Annual report been provided.
Description : To be a voter in India, what is the minimum qualifying age? (1) 24 Years (2) 22 Years (3) 20 Years (4) 18 Years
Last Answer : (4) 18 Years Explanation: The Indian Constitution confers voting rights on any individual who is a citizen of the country and is above 18 years of age. This minimum-age limit came into effect from March 28, 1989, prior to which it was 21 years.
Description : In above numerical what will be the frequency corresponding to the peak amplitude A 14.18rad/sec B 24.13rad/sec C 20.22rad/sec D 22.32rad/sec
Last Answer : A 14.18rad/sec
Description : 2n chromosome number of guava is —- a. 20 b. 22 c. 24 d. 30
Last Answer : b. 22
Description : A first class brick when immersed in cold water for 24 hours should not absorb water more than (A) 15 % (B) 20 % (C) 22 % (D) 25 %
Last Answer : Answer: Option B
Description : 22.222 + 2220.2 + 202.20 + 0.0202 – 2.0022 = ? a) 2244.24 b) 2442.64 c) 2424.44 d) 2444.64 e) 2224.84
Last Answer : b) 2442.64
Description : By selling 45 lemons for Rs 40, a man loses 20%.How many should he sell for Rs 24 to gain 20% in the transaction? a) 19 b) 22 c) 20 d) 18 e) 14
Last Answer : Selling price = Rs. 40 Loss = 20% Therefore, cost price = 40×100 /(100 - 20) = Rs. 50 Therefore, cost price of each lemon = Rs. 50/45 Now, selling price = Rs. 24 Profit = 20% Cost price = 24×100/120 = Rs. 20 Number of lemons for Rs. 20 = 20/(50/45) = 900/50 = 18 Answer: d)
Description : A tank can be filled by a tap in 6 hours and emptied by an outlet pipe in 8 hours. How long will it take to fill the cistern if both the taps are opened together? 1. 24 hours 2. 22 hours 3. 21 hours 4. 18 hours 5. 20 hours
Last Answer : 1;
Description : P, Q and R can do a piece of work in 18,24 and 36 days on the second day and P on the third day, again R on the fourth day and so on. Then in how, many days will the work be completed? 1. 25 2. 24 3. 22 4. 20 5. 26
Last Answer : 2;
Description : A man wnt uphill with a speed of 20 km.p.h. and came downhill with a speed of 30 km p.h. The average speed for his journey was (a) 25 km. p.h. (b) 22 1/2 km. p.h. (c) 24 km. p.h. (d) 25 1/2 km. p.h.
Last Answer : 24 km.p.h.
Description : The terminal value in year 6 is closest to __________. a) Rs.22.57 b) Rs.20.42 c) Rs.24.30 d) Rs.25.70
Last Answer : a) Rs.22.57
Description : What will be the volume of CO2 at NTP obtained on heating 10 grams of (90% pure) limestone [Pb. CET 2001] (A) 22.4 litre (B) 2.016 litre (C) 2.24 litre (D) 20.16 litre
Last Answer : (B) 2.016 litre
Description : M & N do a certain work in 40 days and 24 days respectively. M started the work alone and then after 8 days N joined him till the completion of the work. How long did the work last? a) 16days b) 18days c) 20 days d) 22 days
Last Answer : C Work done by M in 8 days = 1/40*8 =1/5 Remaining work = 1-1/5 = 4/5 (M+N)’s 1 day work = 1/40 + 1/24 =(3+5)/120 =8/120 =1/15 Now 1/15 work is done by M & N in 1 day. So 4/5 work will be done by X and Y is, =15 / 1 * 4/5 =12 days Hence total time taken = 12+8 = 20 days
Description : What kind of music do you like -What is the relative frequency of students who like POP music. Leave your answer as a decimal and round to the hundredths place. 24 people like pop music 10 people like dance 22 people like hip-hop / rap 21.?
Last Answer : I like hiphop music and i would probably say something like 70% of people like pop
Description : How many time zones are there in the world? A. 22 B. 12 C. 16 D. 24 (Answer)
Last Answer : D. 24 (Answer)
Description : In figure, AB || DE, AB = DE, AC|| DF and AC = OF. Prove that BC || EF and BC = EF. -Maths 9th
Last Answer : Given In figure AB || DE and AC || DF, also AB = DE and AC = DF To prove BC ||EF and BC = EF Proof In quadrilateral ABED, AB||DE and AB = DE So, ABED is a parallelogram. AD || BE and AD = BE Now, ... = CF and BE||CF [from Eq. (iii)] So, BCFE is a parallelogram. BC = EF and BC|| EF . Hence proved.
Description : In Fig. 8.53,ABCD is a parallelogram and E is the mid - point of AD. A line through D, drawn parallel to EB, meets AB produced at F and BC at L.Prove that (i) AF = 2DC (ii) DF = 2DL -Maths 9th
Last Answer : Given, E is mid point of AD Also EB∥DF ⇒ B is mid point of AF [mid--point theorem] so, AF=2AB (1) Since, ABCD is a parallelogram, CD=AB ⇒AF=2CD AD∥BC⇒LB∥AD In ΔFDA ⇒LB∥AD ⇒LDLF=ABFB=1 from (1) ⇒LF=LD so, DF=2DL
Description : Mexico City, DF, Mexico?
Last Answer : Mexico City is the capital of Mexico and the largest city in theworld. Filled with vast historical markers and cutting edge modernarchitecture, this cultural melting pot where old meets new ... a natural wonder.Aside from glorious beauty and historical landmarks, Mexico Cityoffers every modern c
Description : The treatment df for 3 factors each at 2 levels is
Last Answer : Ans. 2 3 = 6-1 = 5
Description : ECE Board Exam April 1997 Sound intensity is given as A. df/dP B. dE/dp C. dA/dP D. dP/dA
Last Answer : D. dP/dA
Description : Half the angle of nip, (α), for a roll crusher is given by (where, dr, dp and df are diameters of crushing rolls, feed particles and rolls gap respectively). (A) cos α = (dr + dp)/(dr + df) (B) cos α = (dr + df)/(dr + dp) (C) tan α = (dr + dp)/(dr + df) (D) sin α = (dr + dp)/(dr + df)
Last Answer : (A) cos α = (dr + dp)/(dr + df)
Description : In ball mill operation, the feed size (Df in meters) and the ball diameter (Db in metres) are related as (where, K = grindability constant (varying from 0.9 to 1.4 in increasing order of hardness)) (A) Db 2 = K.Df (B) Db = K.Df (C) Db 3 = K.Df (D) Db 2 = K.Df
Last Answer : (A) Db 2 = K.Df
Description : The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively). (A) Df /Dp (B) Dp /Df (C) Df - Dp (D) None of these
Last Answer : (A) Df /Dp
Description : In given figure, AD = 3 cm, AE = 5 cm, BD = 4 cm, CE = 4 cm, CF = 2 cm, BF = 2.5 cm, then (a) DE || BC (b) DF || AC (c) EF || AB (d) none of
Last Answer : (c) EF || AB
Description : Which of the following relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float). (A) Df + Bf = Wf (B) Df = Bf + Wf (C) Df + Bf + Wf =0 (D) None of these
Last Answer : (A) Df + Bf = Wf
Description : For a base failure of a slope, depth factor (A) Df = 1 (B) Df < 1 (C) Df > 1 (D) None of these
Last Answer : (C) Df > 1
Description : For an irreversible process involving only pressure-volume work (A) (dF)T, p 0 (D) (dA)T, v >0
Last Answer : (A) (dF)T, p