Ques:- A train 800 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is?
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Ques:- Pointing to Meena, Swarup says, “She is the doughter of my grandfather’s only child”. How is Meena related to Swarup?
A. Cousin
B. Sister
C. Aunt
D. Data inadequate
E. None of these
Recent Answer :
: sister
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Recent Answer :
: In order to enhance my career, I asked my colleagues about my strength and weaknesses, the areas where I need to improve more, and acquired more knowledge from my superiors. I worked on my weaknesses to convert into a positive response.
Ques:- Find the highest common factor of 36 and 84.
A. 4
B. 6
C. 8
D. 12
Recent Answer :
: =36*84/ lcm
= 36 * 84 / (12 * 3 * 7 )
HCF= 12
Ques:- X, Y and Z can do a piece of work in 24 days, 30 days and 40 days respectively. They began the work together but Z left 4 days before the completion of the work. In how many days was the work completed?
Recent Answer :
: 1/24+1/30+1/40=1/10 => 10 days
4/10 = 0.4
1/(24*0.4)+1/(30*0.4) = 0.1875 => 5.33
(10-4) + 5.33 = 11.3 days
Ques:- Box 1 cotain odd value X or Y the box 2 =X i.e 7 or 12 box 3= Y has value 19 if X is 7 or 31 if x is 12 get even value X or Y . Use any operator, steps allowed are 3.
Ques:- Is this knowledge sufficient for a job?
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Ques:- 1,2,2,4,8,?
Recent Answer :
: 1*2=2
2*2=4
2*4=8
8*4=32
Ans : 32
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Ques:- One quality of wheat at Rs. 9.30 per kg is mixed with another quality at a certain rate in the ratio 8 : 7. If the mixture so formed be worth Rs. 10 per kg. What is the rate per kg of the second quality of wheat?
A. Rs. 10.30
B. Rs. 10.60
C. Rs. 10.80
D. Rs. 11
Recent Answer :
: 11
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Recent Answer :
: 24 days
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Ques:- A man purchases 8 pens for Rs.9 and sells 9 pens for Rs.8, how much profit or loss does he make?
Recent Answer :
: 2.01
Ques:- The length of the bridge, which a train 130 m long and traveling at 45 km/hr can cross in 30 sec is?
Ques:- Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?
Recent Answer :
: 3 days
Ques:- How is my mother’s mother’s only son-in-law’s sister related to me ?
Recent Answer :
: Father’s sister
Let length of tunnel is x meter
Distance = 800+x meter
Time = 1 minute = 60 seconds
Speed = 78 km/hr = 78*5/18 m/s = 65/3 m/s
Distance = Speed*Time
=>800+x=653∗60=>800+x=20∗65=1300=>x=1300−800=500