The seven side flat shape if called
- Octagon
- Pentagon
- Heptagon
- Hexagon

10% of 3481600 is 348160.
We know zakat is 2.5%.
2.5% of 400000*(25/1000) = 10000
2.5% of 340000*(25/1000) = 8500
Solution:
5 years back sum of their age was = 100–(5+5)=90 years
Age ratio=2:1
Ratio sum = 2+1 = 3
Father’s age 5 years back= 90× 2/3 =60 years
Son’s age 5 years back= 90-60= 30 years
Ages Now = 60+5: 30+5
65:35
Ratio of their ages 10 years after will be= (65+10): (35+10)= 5:3
Solution:
(7x-1)=(4x+8)
7x-4x = 8+1
3x = 9
x = 9/3
x = 3
Loan = 65000
Anual interest 3% = 65000*(3/100) = 1950 per year
We need to pay 68900-65000 = 3900 interest total
So
1950*2 = 3900 ,
After two years we will pay 68900
10% of 75000 is 7500.
Total Students: 27
Boys and girls = 20 Its means Girls = 10 and boys=10
More girls than boys = 7
So Girls 10+7 =17
Solution:
Mean of five numbers:
(a+b+c+d+x)/5 = 18
a+b+c+d+x = 18*5
a+b+c+d+x = 90 ____________1
One number is excluded
(a+b+c+d)/4 = 16
a+b+c+d = 16*4
a+b+c+d = 64____________2
subtract equation 1 from 2
a+b+c+d+x -a-b-c-d = 90-64
x = 26
Solution:
Buy: 200 dozen oranges
per dozen: 10 Rs
transport expense: 500
Sell earch orange at : 1 Rs
Cost price of 200 dozen oranges = 200*10 = 2000
Total oranges with expense = 2000+500 = 2500
Sell 2400 oranges in 2400 Rs because each orange price is 1
So he got loss, how much? see below
Loss = 2500-2400 = 100 Rs
Loss % = Lossx100 / Cost
= 100*100/2500
= 4%
Solution:
0.75: x: 5:8
0.75/x = 5/8
x = (8×0.75)/5
x = 6/5
x = 1.20