Jasim's weight is 140% of Masum's wight.Bashir's weight is 90% of Limon's weight.Limon weights twice as much as Masum .What percentage of Jasim's weight is Bashir's weight ?
A 64(4/7)%
B 77(2/9)%
C 128 (4/7)%
D 155 (5/9)%
Solution
Correct Answer: Option C
এখানে ,
j =140/100 × M
=1.4 M
B=0.9 L
আবার , L =2×M
B=0.9L
=0.9×2×M
=1.8 M
তাহলে নির্ণেয় শতকরা =B/J × 100%
=1.8M/1.4M×100%
=128 4/7%