A black hole is a body in space which does not allow any radiation to come out. This property is due to its _____.

1. 1. Very high density
   2. Very small size
   3. Very large size
   4. Very low density

Which planet takes the largest time to go once around the sun?

1. 1. Uranus
   2. Neptune
   3. Jupiter
   4. Pluto

Which of the following measures the strength or magnitude of an earthquake?

1. 1. Douglas scale
   2. Richter scale
   3. Rankine scale
   4. Kelvin scale

Which metal is most abundantly found on the Earth’s surface?

1. 1. Aluminium
   2. Zinc
   3. Silicon
   4. Iron

Which of the given Venn diagrams out of 1, 2, 3 or 4 correctly illustrates the relationship among the following classes? Reptiles, Cobras, Turtles _____.

1. 1. a
   2. b
   3. c
   4. d

The L.C.M of two numbers is 12 times their H.C.F. The sum of the H.C.F and L.C.M is 403. If one number is 93, then the other number _____.

1. 1. 134
   2. 124
   3. 128
   4. 310

The marks obtained by 10 students in science (out of 50) are 30, 41, 40, 41, 30, 41, 30, 28, 41, 40. The modal marks is _____.

1. 1. 40
   2. 30
   3. 41
   4. 35

Oranges are bought at 5 for Rs. 10 and sold at 6 for Rs. 15. The profit or less as percentage is _____.

1. 1. 50%
   2. 49%
   3. 35%
   4. 25%

Which is the greatest five digit number exactly divisible by 279?

1. 1. 99603
   2. 99882
   3. 99550
   4. None of these

Unscramble the letters of words and find odd one out _____.

1. 1. ORNI
   2. ICAO
   3. PPREOC
   4. ZENRBO