IIT JEE рдкреНрд░рд╢реНрди рдФрд░ рдЙрддреНрддрд░ рдХрд╛ рдЕрднреНрдпрд╛рд╕ рдХрд░реЗрдВ
рдкреНрд░: Two trains cross each other in _____ time ? 1489 05b5cc6d1e4d2b4197774e3a6
5b5cc6d1e4d2b4197774e3a6- 1145 secfalse
- 2124 secfalse
- 3158 secfalse
- 4162 sectrue
- рдЙрддреНрддрд░ рджреЗрдЦреЗрдВрдЙрддреНрддрд░ рдЫрд┐рдкрд╛рдПрдВ
- Workspace
- SingleChoice
рдЙрддреНрддрд░ : 4. "162 sec"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :
Answer: D) 162 sec Explanation: Given two trains of length = 180 mts + 180 mts┬а The distance is = Length of trains = 360 mts┬а Speed = 58 - 50 = 8 kmph┬аx 5/18 m/s Then, Time = dis/speed = (360x18) / (8x5) = 162 sec.
рдкреНрд░: Solve the Missing Number Challenge ? 1455 05b5cc6d1e4d2b4197774e3a1
5b5cc6d1e4d2b4197774e3a1- 15false
- 21true
- 310false
- 42false
- рдЙрддреНрддрд░ рджреЗрдЦреЗрдВрдЙрддреНрддрд░ рдЫрд┐рдкрд╛рдПрдВ
- Workspace
- SingleChoice
рдЙрддреНрддрд░ : 2. "1"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :
Answer: B) 1 Explanation: Logic is 1st fig : 9x2 + 5 = 23 2nd fig : 6x3 + 4 = 22 3rd fig : Nx4 + 5 = 9 => N = 1.
рдкреНрд░: What is my PIN number ? 1352 05b5cc6d1e4d2b4197774e39c
5b5cc6d1e4d2b4197774e39c- 193714false
- 242789false
- 336671false
- 493747true
- рдЙрддреНрддрд░ рджреЗрдЦреЗрдВрдЙрддреНрддрд░ рдЫрд┐рдкрд╛рдПрдВ
- Workspace
- SingleChoice
рдЙрддреНрддрд░ : 4. "93747"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :
Answer: D) 93747 Explanation: From the hints, Only two options for 1st and 2nd digits => 4,2 and 9,3 since it is single digits Sum of second and third digit ┬а= 10┬а If 2 => 3rd digit = 8 If 3 =>┬а3rd digit = 7 4th digit = 2nd digit + 1 => (2+1 =3) or (3+1 = 4) Sum of all digits = 30 Let 5th digit be x => 1st possibility = 4 + 2 + 8 + 3 + x = 30 => x = 13 (Not possible since it has 2 digits) => 2nd possibility = 9 + 3 + 7 + 4 + x = 30 => x = 7 Therefore, the PIN is 93747
рдкреНрд░: A class has 8 football players. A 5-member team and a captain will be selected out of these 8 players. How many different selections can be made ? 1826 05b5cc6d0e4d2b4197774e38a
5b5cc6d0e4d2b4197774e38a- 1210false
- 2168true
- 31260false
- 410!/6!false
- рдЙрддреНрддрд░ рджреЗрдЦреЗрдВрдЙрддреНрддрд░ рдЫрд┐рдкрд╛рдПрдВ
- Workspace
- SingleChoice
рдЙрддреНрддрд░ : 2. "168"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :
Answer: B) 168 Explanation: we can select the 5 member team out of the 8 in 8C5 ways = 56 ways. The captain can be selected from amongst the remaining 3 players in 3 ways. Therefore, total ways the selection of 5 players and a captain can be made = 56x3 = 168 ways. ┬а (or) ┬а Alternatively, A team of 6 members has to be selected from the 8 players. This can be done in 8C6 or 28 ways. Now, the captain can be selected from these 6 players in 6 ways. Therefore, total ways the selection can be made is 28x6 = 168 ways.
рдкреНрд░: There are 11 True or False questions. How many ways can these be answered ? 1442 05b5cc6d0e4d2b4197774e385
5b5cc6d0e4d2b4197774e385- 111!/2false
- 21024false
- 311!false
- 42048true
- рдЙрддреНрддрд░ рджреЗрдЦреЗрдВрдЙрддреНрддрд░ рдЫрд┐рдкрд╛рдПрдВ
- Workspace
- SingleChoice
рдЙрддреНрддрд░ : 4. "2048"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :
Answer: D) 2048 Explanation: Given 11 questions of type True or False ┬а Then, Each of these questions can be answered in 2 ways (True or false) ┬а Therefore, no. of ways of answering 11 questions = 211┬а= 2048 ways.
рдкреНрд░: It was Tuesday on Jan 1, 2006. What was the day of the week Jan 1, 2010 ? 1399 05b5cc6d0e4d2b4197774e367
5b5cc6d0e4d2b4197774e367- 1Sundayfalse
- 2Fridaytrue
- 3Mondayfalse
- 4Tuesdayfalse
- рдЙрддреНрддрд░ рджреЗрдЦреЗрдВрдЙрддреНрддрд░ рдЫрд┐рдкрд╛рдПрдВ
- Workspace
- SingleChoice
рдЙрддреНрддрд░ : 2. "Friday"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :
Answer: B) Friday Explanation: On 31st December, 2005 it was Monday. Number of odd days from the year 2006 to the year 2009 = (1 + 1 + 2 + 1) = 5 days. On 31st December 2009, it was Thursday. Thus, on 1st Jan, 2010 it is Friday.
рдкреНрд░: Guess the Missing Letter in the Letter Puzzle ? 1512 05b5cc6d0e4d2b4197774e353
5b5cc6d0e4d2b4197774e353- 1Ltrue
- 2Mfalse
- 3Nfalse
- 4Ofalse
- рдЙрддреНрддрд░ рджреЗрдЦреЗрдВрдЙрддреНрддрд░ рдЫрд┐рдкрд╛рдПрдВ
- Workspace
- SingleChoice
рдЙрддреНрддрд░ : 1. "L"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :
Answer: A) L Explanation: The Logic followed in the given puzzle is : L x P = 12 x 16 = 192 (Alphabetical numbers of L & P) P x T = 16 x 20 = 320┬а(Alphabetical numbers of P & T) Similarly, K x () = 132 => () = 132/11 = 12 => L Hence, the missing letter is L
рдкреНрд░: Sriram was conducting an experiment in which the average of 11 observations came to be 92, while the average of first five observations was 89, and that of the last five was 86. What was the measure of the 6th observation ? 1607 05b5cc6d0e4d2b4197774e33d
5b5cc6d0e4d2b4197774e33d- 1134false
- 2137true
- 3139false
- 4141false
- рдЙрддреНрддрд░ рджреЗрдЦреЗрдВрдЙрддреНрддрд░ рдЫрд┐рдкрд╛рдПрдВ
- Workspace
- SingleChoice
рдЙрддреНрддрд░ : 2. "137"
рд╡реНрдпрд╛рдЦреНрдпрд╛ :
Answer: B) 137 Explanation: This can be done as, ┬а (11 ├Ч 92) ┬а- ┬а(5 ├Ч 89) ┬а- ┬а(5 ├Ч 86)┬а ┬а = 1012- 445 - 430 = 137

