Junior Deputy Director in Intelligence Bureau (2008)

(61) . . A 100 meters long train passes a bridge @ 72 km/hr in 25 seconds. What is the length of the' Bridge?

  1. 400 m

  2. 170 m

  3. 600 m

  4. None

(62) . If 5x2 - 4x - 1 is divided by x - 1, the remainder is:

  1. 0

  2. 2

  3. 1

  4. None

(63) . . During a 5-day festival, the number of visitors tripled each day. If the festival opened on a Thursday with 345 visitors, what was the attendance on that Sunday?

  1. 345

  2. 1035

  3. 1725

  4. 9315

(64) . All sold a table Rs.800 which he was bought for Rs.1000. What is his % loss?

  1. 0.2

  2. 0.6

  3. 0.14

  4. 0.17

(65) . The area of the kitchen is n times the area of the balcony. Hence n is

  1. 1.5

  2. 2.5

  3. 3.5

  4. 4.5

(66) . The number, whose 17% is 51, is

  1. 200

  2. 100

  3. 300

  4. 210

(67) . A car washer can wash 8 cars in 18 minutes. At this rate how many cars can be washed, in three hours?

  1. 13

  2. 40

  3. 80

  4. 125

(68) . There are four numbers. Average of the first three is 15 and that of the last three is 16. If the last number is 19 find the first number:

  1. 16

  2. 18

  3. 20

  4. 21

(69) . 10 men can complete a job in 14 days. How long will it take 4 men to finish the same job if they work? at the same rate?

  1. 33 days

  2. 35 days

  3. 37 days

  4. 39 days

(70) . A man takes 50 minutes to cover a certain distance at a speed of 6 km/hr. If he walks with a.speed of 1 0 km/hr. he covers the same distance

  1. 1 hour 

  2. 30 minutes

  3. 20 minutes

  4. 10 minutes