IIT JEE Practice Question and Answer
8Q: 5 years ago Sushma was 5 times as old as her Son. 5 years hence her age will be 8 less than three times the corresponding age of her Son. Find their ages ? 4126 05b5cc73ae4d2b4197774f8d3
5b5cc73ae4d2b4197774f8d3- 124 and 13 yearsfalse
- 248 and 24 yearsfalse
- 335 and 11 yearstrue
- 433 and 15 yearsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "35 and 11 years"
Explanation :
Answer: C) 35 and 11 years Explanation: Let the age of sushma be x and the age of her son is yThen five years before x-5=5(y-5) ...(1)Five years hence x+5 = 3(y+5)-8 .....(2) By soving (1) & (2), we get5y - 15 = 3y + 7y = 11 => x = 35 Therefore, the age of Sushma = 35 and her son = 11.
Q: Who set up the world's first floating ATM ? 4115 05b5cc711e4d2b4197774f3f5
5b5cc711e4d2b4197774f3f5- 1Bank of Americafalse
- 2Barclays Bankfalse
- 3Axis Bankfalse
- 4State Bank of Indiatrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "State Bank of India"
Explanation :
Answer: D) State Bank of India Explanation: India's banking behemoth -- the State Bank of India -- has set up the world's first-ever floating ATM on a boat in Kerala. The boat with the ATM on board will berth at jetties in Kerala's huge backwaters through which thousands of people travel daily.
Q: A group of men can complete a job in K hours. After every 4 hours, half the number of men working at that point of time leave the job. Continuing this way if the job is finished in 16 hours, what is the value of K ? 4114 05b5cc73ae4d2b4197774f8d8
5b5cc73ae4d2b4197774f8d8- 17 hrsfalse
- 27.5 hrstrue
- 38 hrsfalse
- 48.25 hrsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "7.5 hrs"
Explanation :
Answer: B) 7.5 hrs Explanation: Let there are L men job requires LK man hours. job completed in first 4 hrs = L x 4 = 4L job completed in next 4 hrs = 4 x L/2 = 2L job completed in next 4 hrs = 4 x L/4 = L job completed in last 4 hrs = 4 x L/8 = L/2 4L + 2L + L + L/2 = KL K = 7+1/2 = 7.5 hours.
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
1. Answer (2) G 2. Answer (1) BE All other pairs are in same class. 3. Answer (3) ADF in class 9. 4. Answer (4) Linc pen.
Q: The two trains of lengths 400 m, 600 m respectively, running at same directions. The faster train can cross the slower train in 180 sec, the speed of the slower train is 48 kmph. Then find the speed of faster train ? 4110 05b5cc6dee4d2b4197774ea56
5b5cc6dee4d2b4197774ea56- 168 kmphtrue
- 252 kmphfalse
- 376 kmphfalse
- 450 kmphfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "68 kmph"
Explanation :
Answer: A) 68 kmph Explanation: Let the speed of the faster train be 'X' kmph, Then their relative speed= X - 48 kmphTo cross slower train by faster train, Distance need to be cover = (400 + 600)m = 1 km. and Time required = 180 sec = 180/3600 hr = 1/20 hr.Time = Distance/Speed => 1/20 = 1/(x-48)X = 68 kmph
Q: Library is to Book as Book is to 4086 05b5cc6a9e4d2b4197774cf05
5b5cc6a9e4d2b4197774cf05- 1Wordsfalse
- 2Pagestrue
- 3Bindingfalse
- 4Coverfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Pages"
Explanation :
Answer: B) Pages Explanation: A Library consists of Books in the same way Book consists Pages. Hence, Library : Book :: Book : Pages.
Q: Which of these fields was the lost generation associated with? 4083 05b5cc696e4d2b4197774c58a
5b5cc696e4d2b4197774c58a- 1Moviesfalse
- 2Literaturetrue
- 3Sciencefalse
- 4Musicfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Literature"
Explanation :
Answer: B) Literature Explanation: Lost Generation definition, the generation of men and women who came of age during or immediately following World War I. "Literature" was the one field among the following choices given in the question that was associated with the "Lost Generation".
Q: Which Payments Bank becoming the first bank to offer cash backs on deposits ? 4079 05b5cc6dbe4d2b4197774e922
5b5cc6dbe4d2b4197774e922- 1Postal Payments Bankfalse
- 2Airtel Payments Bankfalse
- 3Aditya Birla Payments Bankfalse
- 4Paytm Payments Banktrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Paytm Payments Bank"
Explanation :
Answer: D) Paytm Payments Bank Explanation: Paytm Payments Bank becoming the first bank to offer cash backs on deposits. Customers will also be offered zero charges on all online transactions and no minimum balance requirement. The Payments Bank plans to roll out 31 branches and 3,000 customer service points in the first year. For savings accounts, it will offer an interest of 4 percent per annum. It will also offer current accounts to its millions of merchants.