CSAT DAILY MISSION #12

Question 1

In a class of 45 students, a boy is ranked 20th. When two new boys joined, his rank dropped by one. What is his new rank from the end?

(A) 25th

(B) 26th

(D) 28th

Question 2

A train travels at a certain average speed for 63 km, and then at another average speed for 72 km. The second average speed is 6 km/hr more than the first. If this entire journey takes three hours, what is the original speed of the train?

(A) 24 km/hr

(B) 33 km/hr

(D) 66 km/hr

Question 3

A thief running at 8 km/hr is chased by a policeman whose speed is 10 km/hr. If the thief is 100 m away from the policeman when the chase begins, after how long will the policeman catch the thief?

(A) 2 mins

(B) 3 mins

(D) 6 mins

Question 4

Deepak drives to his office at an average speed of 48 km/hr. The time taken to cover the first 60% of the distance is 10 minutes more than the time taken to cover the remaining 40% of the distance. How far is his office?

(A) 30 km

(B) 40 km

(D) 48 km

Question 5

Two vessels of equal volume are respectively three-fourths and half filled with milk. They are then filled to the brim with water, and poured into another larger vessel one after the other. The third vessel gets filled up when half of the second vessel has been poured into it. What is the ratio of milk to water in the third vessel.

(A) 2:1

(B) 3:1

(D) 5:3

SOLUTIONS TO DAILY CSAT MISSION # 13

1. (B) 2. (C) 3. (B) 4. (A) 5. (D)

Explanations
4. If D is B’s daughter, then B is either father or mother of D. So, B’s brother will be D’s uncle.

5. Shahrukh has scored more than Salman. Aamir has scored less than Sharukh, which means Shahrukh has scored more than Aamir also. Finally, Saif has not scored more than Shahrukh, which means Shahrukh has scored more than Saif also.