एका परीक्षेत 60% विद्यार्थी इतिहासात नापास झाले. विज्ञानात १०%, दोन्ही विषयांत 5% नापास झाले तर उत्तीर्ण झालेल्या विद्यार्थ्यांची टक्केवारी किती?​

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?