Question

please answer..,.......​

Answer 1

Answer:

50

here the total no of boys became 400-150=250

now 4/5 of boys mean ,if there are 5boys 4 will pass so 1 boy remain fail now as we know the of boys is 250 instead of five, so if 5 represens 250 implise that 1 represent 50

Answer 2

Step-by-step explanation:

Hope it helps..........