Amol has three objects, X, Y and Z. He puts X into a measuring cylinder with 30 mL of water. Then he puts Y and Z one by one into the same measuring cylinder as shown.
Which of the objects has/have a volume less than 30 mL?
A X only
B Y only
C X and Y only
D X, Y and Z
Ans 1:
Class : Class 10
Yajat is correct because if you read the question carefully , it is written '30 ml of watter' which means that it was already filled with 30 ml of water. now x=50-30=20cm3 and y =75 - 50 = 25 mlSo correct option is c.
Ans 4:
Class : Class 7
x is put in a vase of 30 ml water . then it becomes 50 ml . so , volume of x is 50 - 30 i.e. 20 ml . then after adding y , it becomes 75 ml . then , y is 75 - 50 i.e. 25 ml . both are less than 30 ml . so , the correct answer is C . understood ?
Ans 6:
Ans 9:
Class : Class 8
option c is wrong only y has 25ml volume and x has 50ml , z also has 50 ml of volume so , option b is correct
Ans 12:
Class : Class 6
When you put R on the surface you will find that it does not weigh more than 30 units.