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Topics- Average, Percentage, lcm/hcf
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Topic-classification, Analogy.
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All Types of Questions Asked in GATE Exam for All Branches.
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Almost all type of questions asked in Bank Exams!
DownloadLet a be the side of square.
then its diagonal = a x root(2) = 12
so, a = 12/root(2) = 6 x root(2)
so, area of square = a x a = 6 x root(2) x 6 x root(2) = 72 sqcm
The series can be written as :
2 = 1x1x1 + 1x1
12 = 2x2x2 + 2x2
36 = 3x3x3 + 3x3
so on ...
so, ans = 5x5x5 + 5x5 = 125 + 25 = 150
Let total work = LCM of 6 and 12 = 12 units
A's one day = 12/6 = 2
B's one day work = 12/12 = 1
A+B 's one day work = 2+1 = 3
Days taken by A and B together = 12 / 3 = 4 days
Use successive increment decrement formule to calculate net % change
so, net % change = 20 + (-10) + 20 x (-10) / 100 = 20 -10 - 2 = 8 % , since it is +ve so increment
use formula = (x + y + xy/100 ) % , +ve for increment and -ve for decrement
E
since difference of other pair form AP like 4,9, 14,19
west
90 - 135 = -45 means 45 deg anticlockwise so it is west
Since there are 35 people having a camera phone out of 500 users.
Therefore, the required % = (35/500)x100 = 7%
option c
It depends on students to students.
for technical (mathematically sound) students required time is about 5 to 8 months
for non technical it may takes 1 to 2 years
on an average study of 3-5 hrs/day
Total Cost of mixture = 36x45 + 24*42 = 2628
Now,On selling mixture we get 20% Profit,
So here CP(of mixture) = 2628 , Profit% = 20% hence SP of mixture = 1.2 x 2628 = 3153.6
Now SP of mixture/kg = 3153.6/60 = 52.56 Rs.
Area of square = a x a = 729 => a = 27m = length of rectangle
so breadth of rectangle = 27 - 6 = 21m
So perimeter of rectangle = 2 x (length + breadth) = 2 x (27 + 21) = 2 x 48 = 96m
5 km from pythagorus theorem
option-b
Since avg is increased by 2 years of 8 persons, so tatal increase of 8 persons = 16
now new 2 members should have 16 years more age than 35 and 45
avg of 35 and 45 = 40 years
so avg of new persons = 40 + 8 = 48 years
yes a lot of difference in many aspects.....
In bank exams questons also asked from computer sections
DI in bank exams are very imp and dificult
in bank exams u will face interview but in ssc u will not
reasoning and englsh section is very tough in bank
new ratio will be = 7x1.25 :15x1.26 = 25 : 54
new average = (55x60 - 52x6 + 42x6 ) / 60 = 54 kg, here we divided by 60 since still there will be 60 students
let man travelled t hrs on foot, so he will travel 7-t hrs on bicycle
so, 8*t + 16*(7-t) = 80 => t = 4 hrs so, distance travelled on foot = 8 * t = 8 * 4 = 32 Kms
t1 - t2 = 15 min = 15/60 hr = 1/4 hr
Let distance = x km so, x/6 - x/10 = 1/4 => x = 15/4 km
cost price of 10 calcu +16 watches = 56100
cost price of 15 calcu + 24 watches = 3/2 (10 calcu + 16 watches) = 3/2 x 56100 = 84150 rs.
so sp of 15 calcu + 24 watches = 1.2 x 84150 = 100980 rs.
600 meter = 600/1000 km = 3/5 km
5 min = 5/60 hrs = 1/12 hrs
speed = distance/time = 600 meter / 5 min = (3/5) / (1/12) = 7.2 km/hr
ans-46
check it from last no,
11= 4x2 +3
25 = 11x2 +3
....
% saved = ((2a - a root(2))/2) x100 = approx 30%
speed = 45 km/hr x 5/18 = 12.5 m/s
let train lenght = l meter so, l+130 = 12.5 x 30 = 375 => l = 375 - 130 = 245 meter
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