Question

In an examination 400 students appeared. If 4/5 of the boys and all 150 girls passed

in the examination. Then find how many boys failed in the examination.​

Answer 1

Answer:

total students=400

girls =150

4/5 *400=32

32+150=182

no. of boy fail =400-182

=218

Answer 2

Students appearing = 400 students

girls passed = 150

boys = 400 - 150 = 250

boys passed = 4/5 × 250

boys passed = 200

boys failed = 250 - 200 = 50

therefore, 50 boys failed