In a queue of 30 people, Raj is 18th from the front. How many people are behind him? MCQ with Answer and Explanation

In a queue of 30 people, Raj is 18th from the front. How many people are behind him?
A. 12
B. 10
C. 11
D. 13
Answer: Option A
Solution (By JKSSB Mock Tests)
People behind Raj = total - position from front = 30-18=12.

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Practice More Mental Reasoning Questions

Question #1
In a row of 30 students, Ravi is 7th from the left. What is his position from the right?
A. 23
B. 24
C. 22
D. 25

Correct Answer: Option B


Explanation:
Position from right = Total - Position from left + 1 = 30 - 7 + 1 = 24.

This question belongs to: Reasoning Mental Reasoning
Question #2
If in a certain code, '345' means 'you are good', '358' means 'good is nice' and '783' means 'nice and good', then which digit stands for 'is'?
A. 8
B. 7
C. 3
D. 5

Correct Answer: Option A


Explanation:
From first two, good =3 or 5. From second and third, good =3 or 8. Common good =3. Then from second, remaining for 'is' and 'nice' are 5 and 8. From third, nice and and are 7 and 8 (since good=3). Common for nice is 8. Thus from second, 'is' =5. Wait, then answer B. From above: second 358 = good is nice, good=3, so is and nice =5,8. Third 783 = nice and good, good=3, so nice and =7,8. Thus nice =8, then is =5, and =7. Yes, 'is' =5.

This question belongs to: Reasoning Mental Reasoning
Question #3
A man is facing North-West. He turns 90° in the clockwise direction and then 135° in the anti-clockwise direction. Which direction is he facing now?
A. West
B. South
C. North
D. East

Correct Answer: Option C


Explanation:
Start North-West. +90° CW → North-East. Then 135° ACW from North-East: 135° ACW lands on North (North-East to North is 45°, to North-West 90°, to West 135°). Wait: from North-East ACW 135° is towards North then West: 45° to North, another 90° to West. So West. Option B.

This question belongs to: Reasoning Mental Reasoning