12 Questions  Settings  Science, Maths And Aptitude

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• 1.
On putting few dops of liquid on a pH strip,the strip changes colour to green. The liquid is most probably-
• A.

Lemon Juice

• B.

Dilute HCl

• C.

NaOH Solution

• D.

Water

• 2.
Stomata plays an important role in-
• A.

Respiration

• B.

Photosynthesis

• C.

Transpiration

• D.

All Of Above

• 3.
For Total Internal Reflection, Light Ray should travel from-
• A.

Denser to Rarer Medium

• B.

Rarer to Denser Medium

• C.

Any Plane with same frequency

• D.

Does not depend on refractive index

• 4.
In Single Plate Spherical Capacitor-
• A.

Other Plate need not to be there

• B.

Othe Plate is at infinity

• C.

Other Plate is at Origin

• D.

None of Above

• 5.
Moving Charge has-
• A.

Electric Field

• B.

Magnetic Field

• C.

Both

• D.

None

• 6.
Isotones have, same no.of-
• A.

Protons

• B.

Electrons

• C.

Neutrons

• D.

Mass no.

• 7.
If HCF (252, 378) = 126, find their LCM.
• A.

756

• B.

657

• C.

567

• D.

126

• 8.
For what value of ‘k’ will the equations 13x+23y-1=0 and kx–46y-2=0 represents intersecting lines?
• A.

K equals to 26

• B.

K not equal to 26

• C.

K equals to 13

• D.

K not equal to 13

• 9.
If two coins are tossed simultaneously, find the probability of getting exactly two heads.
• A.

1/4

• B.

1/2

• C.

3/4

• D.

1

• 10.
If sina + cosa = 2 cos(90 −a ) , find cota .
• A.

1.414

• B.

0.414

• C.

0

• D.

1

• 11.
Solve for x and y : 3(2x+y) = 7xy, 3(x +3y) = 11xy
• A.

X=1 and y=3/2

• B.

X=0 and y=0

• C.

Both

• D.

None

• 12.
Light Year is a mesuring unit of
• A.

Time

• B.

Speed

• C.

Distance

• D.

Energy