Tips To solve Quick Maths In ISSB

Tips To solve Quick Maths In ISSB
Percentage Questions and DISCOUNT % questions
CASE 1 ..When % and value are in digits(1 to 9)
u have to count total n.o invove soo it help in placing decimals and than multiply it
like 1% of 1 = 0.01
2% 0f 2 =0.04
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9% of 9 =0.81
CASE 2 ..when % and value both are in double digit without any zero
like...11% of 11= 1.21
12% of 12=1.44
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19 % of 15 =2.85
CASE 3 ...when value and % both r in double digit having 1 zero than u cancel the zeros
like ...20 % of 20=4
40 % of 30 =12
CASE 4 when % and value both r in double and triple digit and having 1 zero soo again cancel out the zeros
like ..20 % of 170=34
40% 0f 110=44
CASE 5 .when % are in digit and value are in double digit having 1 zero soo so cancel out the zero
2% of 70=1.4
3% of 90=2.7
i will tell u remaining 2 cases later
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PLEASE GET IT
DISCOUNT % QUESTIONS
discount % = real price - discount price
E.g ........u have bought shirt of 450 rupee and 20% is discount soo find real cost
soo 20 % of 450= 90
formula real price - discount price =450 -90 =360 is your ans