CSAT DAILY MISSION #64

A total of 120 handshakes happened at a party. If all people in the party shook hands with every other person exactly once, how many people were at the party?

(A) 5

(B) 14

(C) 15

(D) 60

If p < q, which of the following is greater than p but less than q? (A) (q - p)/2 (B) (p + q)/2 (C) q*q - p*p (D) pq/2

Two trains are running at 60 kmph and 30 kmph on parallel tracks in the same direction. The faster train completely passes a man sitting on the smaller train in 9 seconds. The length of the faster train in metres is:

(A) 100

(B) 80

(C) 90

(D) 75

Mr.Addis borrows Rs.5000 from Mr.Ababa. After three years, he again borrows Rs.7000 from Mr.Ababa at the same rate of interest. If at the end of seven years, Mr.Addis repays Mr.Ababa the loans and Rs.4725 as simple interest, what was the rate of interest charged by Mr.Ababa per annum?

(A) 7.5%

(B) 6.5%

(C) 8%

(D) 7%

What is the time between 6 pm and 7 pm when the minute hand and hour hand will form an angle of 72° between them?

(A) 6:20 and 6:44

(B) 6:20 and 6:46

(C) 6:18 and 6:45

(D) 6:20 and 6:48