Question
Which of the following cannot be cut by a knife?
Solution
Sodium, Potassium and Lithium are very soft metal can be very easily cut with a knife, just like wax. Carbon is hard non-metal it cannot be cut easily with a knife as they have stronger covalent bonds.
Pawan has some money left after spending 20%, 15% and 30% of monthly salary on rent, electricity and shopping respectively. The remaining money with Paw...
- P is 20% less than Q and R is 35% more than S. If S is 18% more than P, then which of the following is true?
The number of boys and girls in a school is 120 and 200 respectively. 25% of boys left the school while 40 girls took admission in the school. Find the ...
A man donated 22%, 11% and 26% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums re...
Two numbers are less than a third number by 25% and 31% respectively. Find the percent by which the second number is less than the first.
The population of a city is decreased by 14% in the first year and then increased by 25% in the second year. Find the population of the city at the end...
'R' spends 30% of his monthly income on utilities, 35% on household expenses, and 10% of the remaining amount on transportation. He saves the rest in a ...
If 20% of a = b and then b is:
A man spends 20% and 22% of his monthly salary on rent and transportation, respectively. Out of the remaining money, he spends 34% on food and 49% on en...
What is the value of √25% =?
