Practice Question and Answer
8Q: A 300m race is held between two players running 3m/s and 5m/s in swimming pool of 50m long. how many times the two player meet in opposite direction till the faster one completes the race ? 3318 05b5cc754e4d2b4197774fb77
5b5cc754e4d2b4197774fb77- 13 timestrue
- 24 timesfalse
- 35 timesfalse
- 42 timesfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "3 times"
Explanation :
Answer: A) 3 times Explanation: Let us assume A is the faster and B is slower, A takes 10s to finish a lap of 50 m, B takes 17s(approx) to finish a lap of 50 m.So at 11th sec A starts his 2nd lap by the time B will be in between so that is the first time they will meet each other, at 21st sec A starts his 3rd lap by the time B will be coming back to finish his 2nd lap. So that is the second time they meet in opposite. Then at 31st sec A will start his 4th lap by the time B would not even finish 2nd lap as he take 34(2*17) sec to finish 2 laps. So at 35th sec B will start his 3rd lap by the time A will be coming back to finish his 4th lap in the half way so they will meet 3rd time. At 41st sec A will start its fifth lap by the time B will be going to finish 3rd lap in same direction. At 50th second both will complete A's 5th lap and B's 3rd lap. So they will start next lap(A's 6th and B's 4th) from the same point in same direction. And A will finish the race after completing 300m(6*50) total distance and then they wont meet opposite to each other. So totally they met 3 times in opposite direction.
Q:Change into Indirect speech.
Nitish said to me, " When did you buy this pen?
"Nitish asked me.
3318 05e5f73b8860fb849c8e961ed
5e5f73b8860fb849c8e961ed"Nitish asked me.
- 1when I was to buy that pen.false
- 2when I would buy that pen.false
- 3when I had bought that pen.true
- 4when I was buying that pen.false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "when I had bought that pen. "
Q: We had scarcely (A)/ reached the place (B)/ than it started to rain heavily. (C) No error (D).
3317 05f310a73c923a92061dd1797
5f310a73c923a92061dd1797- 1Ctrue
- 2Dfalse
- 3Afalse
- 4Bfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "C"
Q: West Bengal borders with how many countries?
3316 05d943814987fcf212b21e0f2
5d943814987fcf212b21e0f2- 1Threetrue
- 2Fourfalse
- 3Twofalse
- 4Fivefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Three"
Q: One boy from a group of eight boys left and a new boy with a weight of 56 kg joined the group, which resulted in an average weight of 2.5 kg has increased, what is the weight of the new boy?
3316 05f80134f0a69ab3becc7b304
5f80134f0a69ab3becc7b304- 138.5 Kgfalse
- 238 Kgfalse
- 336.5 Kgfalse
- 436 Kgtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "36 Kg"
Q: Two bulbs are fitted in a room in the domestic electric installation. One of them glows brighter than the other. Then 3315 05b5cc7f4e4d2b41977752010
5b5cc7f4e4d2b41977752010- 1the brighter bulb has smaller resistancetrue
- 2the brighter bulb has larger resistancefalse
- 3both the bulbs have the same resistancefalse
- 4none of thesefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "the brighter bulb has smaller resistance"
Explanation :
Answer: A) the brighter bulb has smaller resistance Explanation:
Q: The organ which stores carbohydrates as glycogen in the human body is
3315 05de508d04a95623fc07966d0
5de508d04a95623fc07966d0- 1Intestinefalse
- 2Stomachfalse
- 3Pancreasfalse
- 4Livertrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Liver "
Q: bca_b_aabc_a_caa
3315 05f5f275909624c19c5ba8fbc
5f5f275909624c19c5ba8fbc- 1acabtrue
- 2bobbfalse
- 3cbabfalse
- 4baccfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice