IIT JEE Practice Question and Answer
8Q: Second & fourth Saturdays and every Sunday is a holiday. How many working days will be there in a month of 31 days beginning on a Friday ? 1557 05b5cc6d0e4d2b4197774e338
5b5cc6d0e4d2b4197774e338- 124true
- 223false
- 322false
- 425false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "24"
Explanation :
Answer: A) 24 Explanation: Given that the month begins on a Friday and has 31 days Sundays = 3rd, 10th, 17th, 24th, 31st=> Total Sundays = 5 Every second & fourth Saturday is holiday. 2nd & 4th Saturday in every month = 2 Total days in the month = 31 Total working days = 31 - (5 + 2) = 24 days.
Q: Can you Solve the Problem ? 1483 05b5cc6cfe4d2b4197774e337
5b5cc6cfe4d2b4197774e337- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
Let the two digits be x & y From given data in the question, we get x + y = 3(x - y) x + y = 3x - 3y => 2x = 4y x/y = 2/1 For having the 2:1, numbers satisfying are 12, 21, 24, 42, 36, 63, 48, 84 From this 36 is eleminated because it is a perfect square and no others are prime or perfect squares. Hence, there exists 7 such 2-digit numbers => 12, 21, 24, 42, 63, 48, 84.
Q: K can lay Highway road between two cities in 16 days. L can do the same job in 12 days. With the help of M, they completes the job in 4 days. How much days does it take for M alone to complete the work ? 1489 05b5cc6cfe4d2b4197774e32d
5b5cc6cfe4d2b4197774e32d- 147/7 daysfalse
- 259/6 daysfalse
- 348/5 daystrue
- 457/5 daysfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "48/5 days"
Explanation :
Answer: C) 48/5 days Explanation: Amount of work K can do in 1 day = 1/16 Amount of work L can do in 1 day = 1/12 Amount of work K, L and M can together do in 1 day = 1/4 Amount of work M can do in 1 day = 1/4 - (1/16 + 1/12) = 3/16 – 1/12 = 5/48 => Hence M can do the job on 48/5 days = 9 (3/5) days
Q: Manju borrows Rs.5000 for 2 years at 4% p.a. simple interest from Sudha. She immediately lends it to another person at 6 1⁄4% p.a for 2 years. Find her gain in the transaction per year. 1227 05b5cc6cfe4d2b4197774e332
5b5cc6cfe4d2b4197774e332- 1Rs. 101false
- 2Rs. 98.5false
- 3Rs. 124.3false
- 4Rs. 112.5true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Rs. 112.5"
Explanation :
Answer: D) Rs. 112.5 Explanation: Manju borrows Rs. 5000 for 2 years at 4% p.a. simple interest She also lends it at 6 1⁄4% p.a for 2 years => Total Gain = 6 1/4% − 4% = 2 1/4% So her gain in the transaction for 1 year = The simple interest she gets for Rs.5000 for 1 year at 2 1⁄4% per annum = PTR100=5000×94×1100 = Rs. 112.5/ year.
Q: The angle between the minute hand and the hour hand of a clock when the time is 4.15 is 1384 05b5cc6cfe4d2b4197774e328
5b5cc6cfe4d2b4197774e328- 10false
- 237.5true
- 327false
- 415false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "37.5"
Explanation :
Answer: B) 37.5 Explanation: Angle between hands of a clock When the minute hand is behind the hour hand, the angle between the two hands at M minutes past H 'o clock => 30H-M5+M2 degrees Here H = 4, M = 15 and the minute hand is behind the hour hand. Hence the angle = 30[4-(15/5)]+15/2 = 30(1)+7.5 = 37.5 degrees
Q: Which city is known as "Queen of Arabian Sea" ? 2118 05b5cc6cfe4d2b4197774e321
5b5cc6cfe4d2b4197774e321- 1Vizagfalse
- 2Kakinadafalse
- 3Mumbaifalse
- 4Kochitrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Kochi"
Explanation :
Answer: D) Kochi Explanation:
Q: Which city is known as "City of Blood" in India ? 2457 05b5cc6cfe4d2b4197774e31c
5b5cc6cfe4d2b4197774e31c- 1Jaisalmarfalse
- 2Jodhpurfalse
- 3Yavatmalfalse
- 4Tezpurtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Tezpur"
Explanation :
Answer: D) Tezpur Explanation: Tezpur is the city in the state of Assam is known as City of Blood.
Q: Where is Panch Mahal situated 1228 15b5cc6cfe4d2b4197774e312
5b5cc6cfe4d2b4197774e312- 1Fatehpur Sikritrue
- 2Gandhinagarfalse
- 3Allahabadfalse
- 4Varanasifalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Fatehpur Sikri"
Explanation :
Answer: A) Fatehpur Sikri Explanation: Fatehpur Sikri in Uttar Pradesh.

