Question
How many students appeared for SBI SO
exam? Study the following information carefully and answer the given questions: 7 students P, Q, R, S, T, U and V belong to 7 different states namely Assam, Bihar, Haryana, Himachal Pradesh, Madhya Pradesh, Meghalaya and Punjab. They are appearing for different exams- RRB PO, IBPS Clerk and SBI SO. At-least 2 students appear for a single exam. U and the person belongs to Himachal Pradesh appeared for the same exam. The person who belongs to Bihar, V and Q appeared for same exam. S belongs to neither Haryana nor Madhya Pradesh. T appeared for SBI SO but does not belong to Bihar. The person who belongs to Haryana and Bihar appeared for RRB PO. U appeared for neither IBPS Clerk nor belongs to Madhya Pradesh. V belongs to Himachal Pradesh. S did not appear for IBPS Clerk. R belongs to Meghalaya and appeared for IBPS Clerk. The person who belongs to Punjab appeared for IBPS Clerk.Solution
The person who belongs to Bihar appeared for RRB PO. And V, Q and the person who belongs to Bihar appeared for same exam. So, V and Q also appeared for RRB PO. R belongs to Meghalaya and appeared for IBPS Clerk. V belongs to Himachal Pradesh. T appeared for SBI SO. 
U and the person who belongs to Himachal Pradesh appeared for same exam. Therefore, U appeared for RRB PO. The person who belongs to Haryana appeared for RRB PO. The person who belongs to Punjab appeared for IBPS Clerk. S neither belongs to Haryana nor Madhya Pradesh. So, S belongs to Assam. T does not belong to Bihar. Therefore U belongs to Bihar. Final table 
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