Ques:- In a class of 60, where girls are twice that of boys, Kamal ranked seventeenth from the top. If there are 9 girls ahead of Kamal, how many boys are after him in rank ?
Recent Answer : Added by Selvakumar A On 2021-10-25 09:20:31:
boys= x
girls=2x
boys+girls= 60
x+2x=60
x=60/3
x=20
kamal=17th rank
9 girls are ahead of kamal
17-9=8
20-8=12 boys are after kamal’s rank
Ques:- 0,7,26,63,124, ?
Recent Answer : Added by apticracker On 2022-09-02 17:04:47:
Ques:- if a number is choosen between 100 and 999 includeing these numberrs what is the provbabilty that the number selected does not contain a 7 is
Recent Answer : Added by Admin On 2020-05-17 11:59:52:
p = prob(1st digit not 7)*prob(2nd digit not 7)*prob(3rd
digit not 7)
=(8/9)*(9/10)*(9/10)
=0.72
Sandhya had it right except that there are 900 numbers
between 100 and 999 inclusive (not 899).
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Recent Answer : Added by Parvathy R On 2021-10-19 17:54:58:
14
Ques:- If a card is drawn from a well shuffled pack of cards, the probability of drawing a spade or a king is -.
Recent Answer : Added by Jim On 2022-09-15 16:37:22:
Spade 13/52 = 1/4
King 4/52 = 1/13
Spade OR King 13/52 + 4/52 – 1/52 (because the King of Spades is in both groups) = 16/52 = 4/13
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Ques:- A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least number of trees required.
Recent Answer : Added by Hemant On 2021-08-10 09:39:24:
Total 60 trees
4 rows each with 15 trees
5 rows each with 12 trees
6 rows each with 10 trees
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Ques:- A train travelled from station P to Q in 8 hours and came back from station Q to P is 6 hours. What would be the ratio of the speed of the train while traveling from station P to Q to that from station Q to P?
Recent Answer : Added by Sahil On 2021-08-03 15:59:07:
Ratio: 3/4
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Ques:- A, B and C are entered into a partnership. A invested Rs.6500 for 6 months, B invested Rs.8400 for 5 months and C invested for Rs.10000 for 3 months. A is a working partner and gets 5% of the total profit for the same. Find the share of C in a total profit of Rs.7400.
Ques:- A part of certain sum of money is invested at 9% per annum and the rest at 12% per annum, if the interest earned in each case for the same period is equal, then ratio of the sums invested is?
Recent Answer : Added by uma On 2022-02-20 07:56:22:
3;4
Ques:- What is the most important things to run businesssuccessfully? pls, answer at least three main porints.
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Recent Answer : Added by Pawan On 2021-07-18 09:42:52:
16.25
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Recent Answer : Added by abhishek On 2021-11-09 15:53:44:
1.7% loss
Ques:- From 5 litres of a 20% solution of alcohol in water, 2 litres of solution is taken out and 2 litres of water is added to it. Find the strength of alcohol in the news solution.
A. 10%
B. 12%
C. 15%
D. 18%
Recent Answer : Added by Mohammad On 2022-11-18 16:03:05:
In 5liter alchol is 20%
In 1liter alchol is0.2÷5=0.04liter
Taken out 2liter solution =3liter solution
Alchol present 3×0.04=0.12liter
7liter water alhol present=0.12liter
12%
Ques:- Tell me about your self and past job
Ques:- A train of length 150 m takes 40.5 seconds to cross a tunnel of length of 300 m. The speed of the train (in km/hr) is
A. 13.33
B. 26.67
C. 38.32
D. 40
Recent Answer : Added by memo On 2023-01-10 14:35:10:
Since the total train length passed the tunnel so the distance would be the length of train added to the tunnel legth
D=150+300=450 mt.
speed = distance/time
speed = 450/(40.5/3600)
speed =40,000 mt/sec
Ques:- Do you have a long & short-term plan for your department? Is it realistic?
boys= x
girls=2x
boys+girls= 60
x+2x=60
x=60/3
x=20
kamal=17th rank
9 girls are ahead of kamal
17-9=8
20-8=12 boys are after kamal’s rank