Ques:- A student divided a number by 2/3 when he required to multiply by 3/2. Calculate the percentage of error in his result.
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Ques:- “A soldier loses his way in a thick jungle. At random he walks from his camp but mathematically in an interesting fashion. First he walks one mile East then half mile to North. Then 1/4 mile to West, then 1/8 mile to South and so on making a loop.. Finally how far he is from his camp and in which direction. ..”
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Ques:- Evaluate 2758 + 20581 – 17889 = ?
Ques:- 97 : 89 :: 43 : __
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Ques:- General discussion in second round
Ques:- What was the first polyester fiber invented in 1941 called?
A. Terylene
B. Poplin
C. Terry cot
D. Rubia
Recent Answer :
: A
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Ques:- The cost of four dozen proof machine ribbons and five dozen accouting machine ribbons was Rs.160/-. If one dozen accounting machine ribbons cost Rs.20/-, what is the cost of a dozen proof machine ribbons?
Recent Answer :
: 15
Ques:- Find the missing number of the the series 1, 3, 7, 13, 21, 31, ..
Recent Answer :
: 43
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Ques:- A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number?
Recent Answer :
: x-28=(1/3)x
x= 42
50 %of 42 = 21
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Ques:- How many times do the hands of a clock coincide in a day?
A. 20
B. 21
C. 22
D. 24
Recent Answer :
: 24 times
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Recent Answer :
: 1:2
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Ques:- Which of the following is larger than 3/5? (1) ? (2) 39/50 (3) 7/25 (4) 3/10 (5) 59/100
Recent Answer :
: 39/50
Ques:- A county cricket team has won 10 matches and lost 4. If these matches represent 70% of the matches to be played, how many more matches should the team win so as to have a record of 75% wins?
Recent Answer :
: Let the total number of matches to played in the tournament be ‘x’.
Given that A county cricket team has won 10 matches and lost 4.
That means total number of matches played = 14.
So,
= > 70% of x = 14
= > (70/100) * x = 14
= > 70x = 1400
= > x = 20.
So, the number of matches to be played = 20.
They have a record of exactly 75% wins = 20 * 75/100
= > 15.
Therefore, the number of matches should the team win = 15 – 10 = 5.
Hope this helps!
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Ques:- Cost of an item is x. It’s value increases by p% and decreases by p% Now the new value is 1 rupee, what is the actual value ?
Recent Answer :
: original cost is 100^2 / (100^2 – p^2) Rs
Ques:- A simple interest amount of rs 5000 for six month is rs 200. what is the anual rate of interest?a) 10%b) 6% c) 8%d) 9%
Recent Answer :
: SI = PTR / 100
Ques:- What is the GDP growth of India?
Soldier have to move 0.75 miles to West and then 0.375 miles to South to reach the camp.
How:-
Firstly soldier moving 1 mile to East from camp and then 1/2 miles= 0.50 miles to North .
Then it is moving 1/4 miles =0.25 miles to west
And then 1/8 miles =0.125 miles to South
Now we just have to count the difference and minus the value of camp to East with the value of North to west = 1mile – 0.25miles(1/4) = 0.75 miles
Same case with north and south = 0.50 miles(1/2) – 0.125 miles(1/8) = 0.375 miles
Hence proves to return camp the soldier have to move 0.75 miles to west and 0.375 miles to south