Jain classes problem solving

Nhi Bhai mein ye nhi keh raha

No error

Kisi ko pata ho to plzz batana

Let the income=X X×20%+170/2=645 X×20%=645-85 X=560×5=2800

Photo from Ritesh Jain

Series hogi R Q P U S T Niche se dusra 2 foot ka h Upr se dusra 5 foot ka h jo niche se 5th h jo Phla ek foot Dusra 2 foot and so on..

Nhi

Question ki explanation bhi hoti h

mene nikali thi lekin 5 min se jada lag gaye

Need B positive blood

Please give ans with explanation

Quardic equation solve it

Plz solve this question