Related Questions

Average of the height of 251 students of a school is 48. If the average of the height of the boys is 51 and the average of the height of the girls is 29, then what will be the ratio of the total height of boys and the total height of girls respectively?
There are five students - P, Q, R, S and T having different heights in a class. P's height is more than only one student. Q's height is more than S and P
but not more than R. S's height is more than P. R is not the smallest. Who is having the maximum height in the class?
The average height of 35 girls in a class was calculated as 160 cm. It was later found that the height of one of the girls in the class was wrongly written as 144 cm, whereas her actual height was 104 cm. What is the actual average height of the girls in the class? ( rounded off to 2 digits after decimal)-
Nina was 1.25 m tall. One year later she was 10% taller and in the nest year height increased a further 12% from her new height .What is her height after both increases?
The average height of A, B and C is 148 cm. If the average height of A and B is 136 cm and that of B and C is 125 cm, then what is the height (in cm) of B?
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by
A spherical ball of mass 20kg is stationary at the top of a hill of height 100m. It rolls down a smooth surface to the ground, then climbs up another hill of height 30m and finally rolls done to a horizontal base at a height of 20m above the ground. The velocity attained by the ball is ___________
Assertion: A hydrogen filled balloon stops using after it has attained a certain height in the sky. Reason: The atmospheric pressure decreases with height and becomes zero when maximum height is attained.
Which of the following option is correct for given statements? Statement 1: Master height gauge can store measurement in memory. Statement 2: Functioning of master height gauges is slower than electronic digital readout height gauge.
The cylindrical sample of the same diameter but different height is compressed. The stress required in sample with __________ height will require ________ stress than the sample with __________ height.