Ques:- Three men A,B,C can complete a work separately in some specified days(may be6,7,8).If they do the work together by alternate days. Then how many days need to complete the work?
Recent Answer : Added by Admin On 2020-05-17 12:02:11:
Three man’s on day work = 1/6+1/7+1/8=73/168
three man’s can complete the work in 1/73/168 days
= 168/73 days
Now if they works together fro the alternet days they will
complete the worksin 2*168/73 days
(If three mans working for the alternate days then work
completion time will be doubbled)
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Ques:- A+B+C+D=D+E+F+G=G+H+I=17 where each letter represent a number from 1 to 9. Find out what does letter D and Grepresent if letter A=4?
Recent Answer : Added by Eva On 2022-04-02 06:59:23:
D=5, G=1
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Ques:- Rs.590 is divided amongst A, B, C so that 5 times A’s share, six times B’s share and eight times C’s share are all equal. Find C’s share?
Recent Answer : Added by Swati On 2021-01-05 15:58:25:
C=150
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Ques:- In a row of boys, Kapil is eigth from the right and Nikunj is twelfth from the left. When Kapil and Nikunj interchange positions, Nikunj becomes twenty first from the left. Which of the following will be Kapil’s position from the right ?
Recent Answer : Added by Javed Walandkar On 2022-08-14 16:35:09:
17
Ques:- Find the area not occupied by circles: Given length =y breadth =x
Recent Answer : Added by Admin On 2020-05-17 12:02:10:
(1/2)*x*y
Ques:- Sum of two consecutive even terms lacks by 98 from their product. What is the sum of these numbers?
Recent Answer : Added by tejas On 2022-09-02 17:03:29:
12, 10
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Ques:- The LCM of three different numbers is 120. Which of the following cannot be their HCF?
A. 8
B. 12
C. 24
D. 35
Recent Answer : Added by SWEETI On 2022-08-14 16:42:23:
35 is not the factor of 120 so…35 is the answer
Ques:- A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be?
Recent Answer : Added by polo On 2020-11-19 16:12:30:
b=15,l=10 or b=10,l=15
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Recent Answer : Added by Swadesh Choudhary On 2022-10-07 17:19:32:
The probability that a child will be born male on any given day is always 1/2.
Suppose:
In any time period, the family making out babies and half boys and another half girls then, In the next time period: half the families turn themselves off and again the half remaining families making out the babies which repeat the first period.
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Ques:- Find out the wrong number in a given series.
6, 13, 18, 25, 30, 37, 40
A. 25
B. 30
C. 37
D. 40
Recent Answer : Added by Kashish Arora On 2022-08-14 16:31:40:
40
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Ques:- For 15 people–each has to pay Rs.20.For 20 people–each has to pay Rs.18. For 40 people–how much has each to pay ?
Recent Answer : Added by Admin On 2020-05-17 12:02:02:
FOR 15 = RS.20
FOR 20 = RS.18
FOR 25 = RS.16
FOR 30 = RS.14
FOR 35 = RS.12
FOR 40 = RS.10
Ques:- What is the number of zeros of the product of the first 100 numbers ?
Recent Answer : Added by Admin On 2020-05-17 12:05:49:
24.
exp: 0 is formed by multiplying 5 with 2. so first we find
how many 5’s and 2’s are there in 100!.
No of 5’s : 100/5=20/5=4/5.
20 +4 =24.
No of 2’s : 100/2=50/2=25/2=12/2=6/2=3/2=1/2.
50 +25 +12 +6 +3 +1.
It has 24 5’s and 2’s.
so the no. of zeros=24.
Three man’s on day work = 1/6+1/7+1/8=73/168
three man’s can complete the work in 1/73/168 days
= 168/73 days
Now if they works together fro the alternet days they will
complete the worksin 2*168/73 days
(If three mans working for the alternate days then work
completion time will be doubbled)