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STS SIBA Past Papers
All STS SIBA Testing Service (STS) Solved Current and Past Papers included in this section of ETEST Academy’s Website. All STS Papers MCQs are solved with detailed answers.
In a marathon, John finished ahead of 12 runners, and behind 23 runners. What place did he finish in?
- 12th
- 13th
- 24th
- 25th
- c
-
12th + 1 =13th
12 + 1 + 23=36
36-12=24
میراتھن میں، جان 12 رنرز سے آگے اور 23 رنرز سے پیچھے رہا۔ اس نے کس جگہ ختم کیا؟
What is the next letter in the sequence? S, U, W, Y, _____
- Z
- A
- B
- C
- b
-
S+1 (T)=U
U+1 (V)=W
W+1 (X)=Y
Y+1 (Z)=A
Which word is the odd one out? Run, Jump, Skip, Walk
- Run
- Jump
- Skip
- Walk
- d
-
Walk is involving in a contact with earth as compare to other words.
If Monday is two days before the day after tomorrow, what day is it today?
- Tuesday
- Monday
- Sunday
- Wednesday
- b
-
Tomorrow is Tuesday
Tomorrow is Wednessday (after tomorrow)
Two days before is Monday.
So, if today is Monday, then Tuesday (tomorrow) is the day after Monday, and Wednesday is the day after tomorrow. Hence, today is Monday.
Which shape is the odd one out?
- Circle
- Square
- Triangle
- Hexagon
- a
-
Square, Triangle and Hexagon have straight sides and angles but Circle does not have any strait side or angle.
What number should replace the question mark? 2, 6, 12, 20, ?
- 30
- 36
- 42
- 50
- a
-
2+4=6
6+6=12
12+8=20
20+10=30
30+12=42
A reaction in which heat energy is absorbed to the system is called:
- Exothermic Reaction
- Endothermic Reaction
- Elimination Reaction
- Thermite Reaction
- b
-
A reaction in which heat energy is released is called Exothermic Reaction.
The removal or leaving of atom or group of atoms of molecule is called Elimination Reaction.
A chemical process which changes vegetable oil into fat is called:
- Combustion
- Hydrogenation
- Hydration
- Neutralization
- b
-
Hydrogenation process converts vegetable oil into solid or semi solid fats at a very high temperature.
In acids, blue litmus paper turns into:
- Yellow
- Red
- Green
- Orange
- b
-
If blue litmus paper placed in base, It will remain same.
If Red litmus paper placed in base, it will changed to Blue.