Ques:- Two passenger trains start at the same hour in the day from two different stations and move towards each other at the rate of 16 kmph and 21 kmph respectively. When they meet, it is found that one train has traveled 60 km more than the other one. The distance between the two stations is?
Recent Answer : Added by Rudradeb Biswas On 2021-08-16 05:26:57:
444km
Since the speed diff is 5km/h
It takes 12 hrs to cover 60 extra kms
Therefore in 12 hrs the total dist covered is
Relative speed×time=(21+16)×12=444 kms
Ques:- The C.P of 10 pens is equal to the S.P of 12 pens. Find his gain % or loss%?
Recent Answer : Added by abhishek On 2021-11-09 15:53:44:
1.7% loss
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Ques:- Two pipes function simultaneously the reservoir will be filled in 12 hours. One pipe fills reservoir 10 hours faster than the other. How many hours does the faster pipe take to fill the reservoir?
Recent Answer : Added by Manik rattan On 2021-08-16 06:56:14:
suppose
pipe:
A -30 hours A’s effeciency (60/30) =2
60( lcm of 30 and 20)
B- 20 hours B’s effeciency (60/20)=3
time taken by both to fill = 60/5 =12 as given in question (effeciencies of both a+b =2+3=5)
time taken by faster pipe i.e b = 60/3 =20
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Ques:- If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount then what is the profit percentage.
Recent Answer : Added by Anmol On 2021-06-15 17:06:52:
If discount is 25%
Profit 25%
If discount10%
Profit?
Suppose 100rs is price
25% discount make it 75
25%profit that means 75×100/125=60
Cp is 60
10 % discount make sp 90 profit is 30%
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Ques:- A, B, C, D, E and F are six members of a family. A is the mother of B, who is the husband of D. F is the brother of one of the parents of C. D is the daughter-in-law of E and has no siblings. C is the son of D. How is C related to A?
Recent Answer : Added by Nathan Abebe On 2022-04-02 06:59:56:
C is grand child of A
Ques:- If Re.1 amounts to Rs.9 over a period of 20 years.Evaluate the rate of simple interest?
Ques:- The smallest prime number, that is the fifth term of an increasing arithmetic sequence in which all the four preceding terms are also prime is
A. 17
B. 29
C. 37
D. 53
Recent Answer : Added by narendra On 2022-09-18 09:02:32:
b
Ques:- In acolony there are some families. Each of them have children butdifferent in numbers.Following are conditions a> no of adult>no of sons>no of daughters>no of families. b>each sister must have atleast one brother and should have at the most 1 sister. c> no of children in one family exceeds the sum of no of children in the rest families. Tell the no of families?
Recent Answer : Added by Admin On 2020-05-17 11:59:49:
Three families
Ques:- What is the 12th term of the series 2, 5, 8, …. ?
Recent Answer : Added by Mukesh On 2022-08-14 16:31:48:
a = 2
d = 5 – 2 = 3
Then 12th term is :
This in arithmetic progression
L = a + (12 – 1) d
L = 2 + 11 * 3
L = 2 + 33 = 35
Ques:- Rich man keeps me in the pocket, Poor man throws me away, Kids eat me. The answer is –u–e–l (a 9 letter word). Find the word
Recent Answer : Added by Reesu Sireesha On 2022-01-08 16:05:31:
Pen
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Ques:- The owner of a hobby store needed to calculate the percentage of customers who purchase wood glue. Upon completing his survey, he noticed that 60% of the people that entered his store purchased an item. Of those customers, 15 percent purchased wood glue. What percent of the people that entered the store purchased wood glue?
Recent Answer : Added by Abhishek Chabri On 2022-10-08 07:25:35:
15%
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Ques:- If a and b are positive integers and (a-b)/3.5 = 4/7, then (A) b < a(B) b > a(C) b = a(D) b >= a
Recent Answer : Added by Mustafa On 2022-08-14 16:31:58:
Put a= 4, b = 2 in the equation and multiplying by 2/2 then you will get same value in right hand side. It mean a is 2a which mean b<a
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Ques:- You have given 3 ropes and one match box.Each rope burn in 30 min.How do you measure 52 and half min.?
Recent Answer : Added by Ashish Sankritya On 2021-09-22 16:56:16:
Burn Rope One first, it will burn in 30 mins.Mark 30 mins and at the end of 30 mins now burn second rope from both sides (15 mins it will take ),and simultaneously burn third and last rope until it is half left.30+15= 45 , Remaining time 7.5 mins.By this time last rope is burnt half ,and now burn it from both sides as well it will exhaust in 7.5 mins. 30+15+7.5=52.5 measured.
Ques:- A man has age in years equal to his daughters age in months and daughter age is equals to his grand daughter age in weeks and her age in weeks total age of 3 members is given 91.find out the mans age
444km
Since the speed diff is 5km/h
It takes 12 hrs to cover 60 extra kms
Therefore in 12 hrs the total dist covered is
Relative speed×time=(21+16)×12=444 kms