A cylindrical tank of 28 cm base radius is partly filled with water. How many spherical iron balls of 1cm radius are added in it in order to increase the water level by 5cm?
Base radius of a cylindrical tank = 28 cm Change in the rise of water in a cylindrical tank = Volume of a bullet Radius of a iron = 1 cm No. of bullets = (Change in the rise of water in a cylindrical tank )/(Volume of a bullet ) = (π r2h)/((4 )/(3 ) π r3) = (π × 28 × 28 × 5 )/(π (4 )/(3 ) × 13) = (28 × 28 × 5 × 3 )/(4 ) = 2,940 To increase the water level by 5cm we need 2,940 bullets.
Select the number from among the given options that can replace the question mark (?) in the following series.
16, 35, ?, 217, 653, 1309
A team of five members is sitting in a row facing towards the north. C is to the left of A and to the right of E. B is to the left of D and to the right...
If ‘+’ means ‘–‘, ‘–‘ means ‘×’, ‘×’ means ‘÷’ and ‘÷’ means ‘+’, then what is he value of the following expres...
Which two signs should be interchanged to make the below equation mathematically correct?
7 – 3 + 6 × 4 ÷ 2 = 25
Select the Venn diagram that best illustrates the relationship between the following:
Tigers, Reptiles, Tortoises
1.
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and th...
Given below is a question followed by two statements I and II. Read both the statements carefully to decide which one of them is sufficient to answer th...
In the given letter-cluster pairs, the first letter-cluster is related to the second letter-cluster following a certain
logic. Study the given pa...
In a certain code language, RAMESH is written as AREMHS and PRAKIL is written as 'RPKALI'. How will RISHIPAL be written in that language?
The following question is based on the given diagram.