Multiply 4 tens 2 tenths 7 hundredths by 3. The result is _____.
I multiplied it manually and I got 12.81. I multiplied it by calculator then also I got 12.81. Please explain me how you got 120.81.
Which of the following options will continue the series established by the Problem Figures?
The given figure shows three layers of Earth. Select the correct option regarding it.
A W and X are liquid layers.
B Surface of Y is called crust.
C Layer Z makes up most of the total Earth’s volume.
D All of these
as per my understanding the answer is A
A boy moving with constant acceleration from A to B in the straight line AB has velocities vA and vB at A and B respectively. Time taken by the boy to move from A to C is twice of that from C to B, where C is the mid-point of AB. The ratio of vA to vB is
A1 : 2
B1 : 3
C1 : 5
D1 : 7
Which of the following statements is correct?
A Cotton clothes do not let air pass through them.
B Dark-coloured clothes should be dried in direct Sun.
C We like to wear dark-coloured clothes in winter.
D Early man wore clothes according to the fashion.
A boy is given three sheets; a handmade paper, butter paper and a colourless cellophane paper. Through which sheet he can clearly see the flame of burning candle?
DBoth cellophane and butter paper