MOD Security Assistant Sub inspector Past Papers 04-12-2022 MCQs for preparation.

A disease that spreads by contact:

- Incurable
- Infectious
- Contagious
- Fatal.

**A train 140m long is travelling at 144km/h. It crosses under a 20m wide bridge. How much time in seconds will be taken by the whole train to cross the bridge?**

- 3.5 second
**4 second**- 6.6 second
- none

The sum given by 1.2 x 10^48 + 1.2 x 10^41 is ___?

- 1.2 x 10^81
- 2.4 x 10^81
**13.2 x 10**- None

**In 2021, the cost of a ticket to a cricket match was Rs.600. This was 20% more than the ticket cost in 2020. What was the cst of the ticket in 2020?**

- Rs. 450
- Rs. 480
- Rs. 510
**None**

**What is 2^2 x 3^3 x 2^-5 x 3^-2 x 2^2 is:**

- equilateral
- acute scalene
**right-angled isosceles**- none

**If the radius of the circle increased 4 times, then its area increased should be?**

- 8 times
- 12 times
**16 times**- none of these

**Ali runs for 480 meters at the speed of 4 meters per second, He gets tried and rests for 10 minutes/ he runs again 300 meters at a speed of 5 meters per second and finishes. How many minutes did he take to finish the marathon?**

**13**- 15
- 16
- none

**If a - b = 3 and a^2 + b^2 = 2 the ab = ?**

- 11
- -7
**-7/2**- none

**The average of 20 numbers is zero of them at the most, how many may be greater than zero?**

- 1
- 10
**19**- 20

**The value of (1 +, 1 + 01 + .001) is ______?**

**1.111**- 1.011
- 1.003
- none

**In a group of 26 students, 21 like football and 14 like cricket. What is the number of students who like both football and cricket?**

**9**- 10
- 12
- none

**There are 108 books placed on three different shelves of the library. There are twice as many books in the History and English shelves combined as there are on the Physics shelf and twice as many on the Physics shelf as there are in the English Shelf. How many books are there on the History shelf?**

- 18
- 36
- 45
**none**

**A is B's sister, C is B's mother, D is C;s father, E is D's mother. Then how is A related to D?**

- grandfather
- daughter
**granddaughter**- none

**In a certain code " GIVE' " is written as '51 @' and 'FAIL' is written as '%219'. How is LEAF written in the code?**

**9©2%**- 9@2%
- 9©1%
- 5©2%

**If "P donated '-" 2 'Q' donates '+';'R' donates 'x' and 'W' donates '+' then 48 Q 12 R 10 P 8 W 4 = ?**

- 56
- 40
- 52
- none

**Waqas is taller than Rabail but shorter than Javed. Shahid is the shorter. Dawood is taller than Shahid but Shorter than Rohil. Who is the tallest?**

**Javed**- Rahail
- Dawood
- None

**The sum of the age of 6 children born at the intervals of 2 years in 60 years. What is the age of the youngest child?**

- 7
- 6
**5**- none

**If a/2 + 4 = 7 / 2, the a = ?**

- 1
**-1**- 2
- 3

**Which one of the following does not belong to the other? Inch, Feet, Ton, Centimeters**

- Inch
- Feet
**Ton**- Centimeters

**Each of the four persons can cross the bridge at a different time, namely 3, 7, 13, and 17 minutes, respectively. Only two people can cross at a time. What is the minimum time in which all four can cross the bridge?**

- 27
- 23
**20**- none

**Depressed is to Elated, as submissive is to:**

**exhausted**- angry
- resistant
- none

**Two train each of length 150m are running in opposite directions with the same speed. If they cross each other in 15 seconds, what is the speed of each train in km per hour?**

**36**- 72
- 20
- none

**In a competitive exam, each correct answer gets 3 points and each wrong answer gets 1 point dedicated students score 220 from 140 questions. How many answer were wrong?**

- 50
- 60
- 90
**none**

**Zain is facing North West. He turns 90 in the clockwise direction, then 180 degree in the anticlockwise direction, and then another 90 degrees in the same direction. Which direction is the facing now?**

- Sout
**South-East**- South-West
- None of these

**3/4, 3 is**

- addend
- consequent
- multiplicand
**none**

**√a + b + 9c is**

**polynomial**- trinomial
- monomial
- none

**40/60 simplest ratio = ?**

- 3/2
- 2/2
**2/3**- none

**Solve 7n + 12 = 4n + 27, n=?**

- 4
- 5
- - 5
- 7

**Flag Length 40 Cm to Width 60 cm Ratio?**

- 2:5
- 2:3
**3:2**- 3:5

**45/100**

- 40%
**45%**- 50%
- 55%

**In an election, out of 75000 eligible voters, 50000 cast their votes. What was the percentage of people casting their votes?**

- 33.33%
- 44.5%
**66.66%**- None

**How many ways to express ratio?**

- 2
**3**- 4
- 5

**Waseem bought a bike for Rs. 78,500 at 20% discount. How much did he save?**

- 17625
- 16625
- 18625
**19625**

**On a Tuesday morning 60 workers could not present on the work. If there are 540 workers in the factory, what percent of the workers were present?**

**88.8%**- 88.8%
- 88.8%
- 88.8%

**Zohaib spends 600 rupess daily in first 12 days, 400 rupees per day in next 80 days and 300 per day in the next 10 days of the month. If he saves Rs. 4000 in that month, find his average daily income?**

- 480 rupees
**580 rupees**- 680 rupees
- 420 rupees

**What is the 13% of 400?**

- 48
- 56
**52**- 54

**On calculation means (average) of 15 numbers was 64. One of the number 24 was misread as 34. What is the correct means?**

**63.3**- 73.3
- 53.3
- 43.3

**The average of three numbers is 54. If two numbers are 48 and 58. What is third number?**

- 54
- 59
**56**- 55

**Shahzad family has an average age of 72 years. If the family has total 4 members, what is their collective age?**

**288 years**- 298 years
- 278 years
- 268 years
- None of these

**A car is traveling at the speed of 90 km per hour. In how many minutes will it cover 450 km?**

؟

- 320 minutes
**300 minutes**- 280 minutes
- 340 minutes