IIT JEE Practice Question and Answer
8Q: A man pointing to a lady says, "Her brother is the father of my only son's sister." How is that lady related to the man ? 2874 05b5cc715e4d2b4197774f45e
5b5cc715e4d2b4197774f45e- 1sister of father-in-lawfalse
- 2daughter-in-lawfalse
- 3Sistertrue
- 4daughterfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Sister"
Explanation :
Answer: C) Sister Explanation:
Q: What is the primary purpose of most constitutions? 2863 05b5cc68ee4d2b4197774c3cb
5b5cc68ee4d2b4197774c3cb- 1to provide a substitute for governmentfalse
- 2to define and limit government powertrue
- 3to give the government absolute powerfalse
- 4to define a moral code for people to followfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "to define and limit government power"
Explanation :
Answer: B) to define and limit government power Explanation: There are many reasons why a constitution is needed. One of the primary purposes is to define and limit power of the government. It gives the structures for the functioning of the country such as courts and parliament and limits the power. e.g. to imprison without trial for the government.
Q: 5% people of a village in India died by dengue, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning ? 2863 05b5cc6e0e4d2b4197774eb5c
5b5cc6e0e4d2b4197774eb5c- 14400true
- 23100false
- 32800false
- 45600false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "4400"
Explanation :
Answer: A) 4400 Explanation: Let 'P' be the original population at the beginning P x (95/100) x (85/100) = 3553 P = 4400.
Q: "Compounding frequency" refers to 2863 05b5cc642e4d2b4197774bb57
5b5cc642e4d2b4197774bb57- 1What type of interest your account earnsfalse
- 2How often your interest is calculated and added back into your accounttrue
- 3What interest rate you can expect from your accountfalse
- 4How easily you can add money into your accountfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "How often your interest is calculated and added back into your account"
Explanation :
Answer: B) How often your interest is calculated and added back into your account Explanation: Compounding frequency : The time periods when interest will be calculated on top of the original loan amount (or) The number of compounding periods in one year. The greater the compounding frequency, the more often your interest is calculated and added back into your account.
Q: Five boxes of bananas sell for Rs. 30. how many boxes can you buy for Rs.9? 2861 05b5cc636e4d2b4197774b9ff
5b5cc636e4d2b4197774b9ff- 12false
- 21.5true
- 31.25false
- 42.5false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "1.5"
Explanation :
Answer: B) 1.5 Explanation: Given Five boxes of bananas sell for Rs. 30. => 1 Box of Bananas for = 30/5 = Rs. 6 Then, for Rs. 9 => 9/6 = 3/2 = 1.5 Hence, for Rs. 9, 1.5 box of bananas can buy.
Q: A user type a content on 20 sheets, each sheet consist of 55 lines, and each line can have 66 characters. The content is again retyped on another set of sheets, these new sheets have 65 lines and each line can take 70 characters. Calculate the reduction in sheets ? 2861 05b5cc6fee4d2b4197774f15c
5b5cc6fee4d2b4197774f15c- 12 or 60%false
- 24 or 20%true
- 36 or 10%false
- 48 or 5%false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "4 or 20%"
Explanation :
Answer: B) 4 or 20% Explanation: 20 x 55 x 66 = L x 65 x 70Here L = 72,600/4550 = 15.95 =~ 16Reduction is 20-16 = 4 which is 20% reduction.
Q: Question : In a cricket team, the average age of eleven players in 28 years. What is the age of the captain? Statements : a. The captain is eleven years older than the youngest player. b. The average age of 10 players, other than the captain is 27.3 years. c. Leaving aside the captain and the youngest player, the average ages of three groups of three players each are 25 years, 28 years and 30 years respectively. 2861 05b5cc74fe4d2b4197774fb17
5b5cc74fe4d2b4197774fb17- 1All a,b and c followsfalse
- 2Only a and c followsfalse
- 3Either b alone or a & b followstrue
- 4Nonefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Either b alone or a & b follows"
Explanation :
Answer: C) Either b alone or a & b follows Explanation: From statement (b)Average of 11 players = 11 x 28 = 308Average of 10 players = 10 x 27.3 = 273Age of captain = 308 - 273 = 35. From the Statement (a) we can say that captain's age (C) = y + 11 ...(1) where y-youngers ageFrom the statement (c),the averge age of 3groups of 3players each was given,It means total 9 players age was given indirectly,1st group: 25 x 3 = 752nd group: 28 x 3 = 843rd group: 30 x 3 = 90Total is 75 + 84 + 90 = 249Now {C + Y + (9 players age sum)}/11 = 28Y + 11 + Y + (249) = 28 x 11=3082Y+260=3082Y = 308-260 = 40 ==> Y=24 ==> C(captain's age)= Y+11 = 24+11 = 35 Therefore, statement b alone or a & c only is the answer.
Q: What travels around the world and stays in one spot? 2859 05b5cc64de4d2b4197774bc93
5b5cc64de4d2b4197774bc93- 1Slippersfalse
- 2Walking stickfalse
- 3Stampstrue
- 4None of the abovefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Stamps"
Explanation :
Answer: C) Stamps Explanation: Stamps are what travel around the worldstaying in one spot. Slippers and walking stick can also travel around the world but they will not stay at one spot. So they are eliminated.