On dividing 2272 as well as 875 by 3digit number N, we get the same remainder. The sum of the digits of N is
(A) 22 cm 2
(B) 44 cm 2
(C) 77 cm 2
(D) 154 cm 2
Viraj found a fruit which he has not seen before. He
wanted to find out whether the fruit is scattered in
the same way as the Mimosa. He planned to do the
i. Throw it in the air.
ii. Examine the 'hooks'.
iii. Place it on his socks.
iv. Open it to look at seeds.
Which of the above actions are useful for his purpose?
A i and ii
B i, ii and iii
C ii and iii
D iii and iv
Read the given statements and mark the correct option.
Statement 1 : Copper sulphate solution is a good conductor of electricity.
Statement 2 : Conduction of electricity takes place in liquids due to flow of ions.
ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true but statement 2 is false.
DStatement 1 is false but statement 2 is true.
Which of the following statements regarding pinhole camera is/are not correct?
(i) Pinhole camera forms real image
(ii) Principle of image formation in pinhole camera is rectilinear propagation of light.
(iii) Pinhole in a pinhole camera acts as the lens.
B(i) and (ii)
C(ii) and (iii)
Dnone of them
Which of these is true about the speed of sound through solids, liquids and gases?
Solid Liquid Gas
ASlow Faster Fastest
BAverage speed Fastest Slowest
CSlowest Fastest Average speed
DFastest Slower Slowest
Read the given statements and select the correct option.
Statement 1 : Snake and crocodile are cold blooded animals.
Statement 2 : Snake and crocodile breathe through moist skin.
A Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.
C Statement 1 is correct but statement 2 is incorrect.
D Both statements 1 and 2 are incorrect.