Question
On a clean glass plate, a drop of water spreads to form
a thin layer whereas a drop of mercury remains almost spherical because:Solution
The cohesion (attraction between molecules) of mercury is greater than its adhesion (attraction to glass), causing it to form a spherical shape.
The difference between the value of the number increased by 20% and the value of the number decreased by 30% is 120. Find the number.
28% of a certain number is added to 82% of the same number, resulting in 125% of 484. If 150 is subtracted from this number, what is 35% of the resultin...
- How many values of 'k' ('k' is a natural number) are possible if '7854k8' is always divisible by 8?
An integer with positive sign (+) is always greater than
A told B, "If you give me half of the money that you have, then I will have Rs 110 and if I give you half of my money then you will have Rs 100." How mu...
Find the mean proportion of 2.56 and 0.0324.
Which of the following is the greatest number that divides 72 and 119 and leaves 3 and 4 as respective remainders?
Determine the 6052nd term in the series 5,5,7,7,7,7,9,9,9,9,9,9,11,….
What is the largest common divisor of the numbers 1170, 2340, and 3510?
The numerator of a fraction is 7 less than its denominator. If the numerator is decreased by 2 and the denominator is increased by 5, then the denominat...
Relevant for Exams:
