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The mass of an electron (9.1times10−31 kg9.1 \\times 10^{-31} \, \text{kg}9.1times10−31kg) is much smaller than that of protons, neutrons, and alpha particles.
Four friends ('P', 'Q', 'R', and 'S') went out for dinner and received a bill of Rs. 1,500. They divided it such that 'P' paid (1...
A man's annual income grows by 25% each year. If in 2022, his income is Rs. 31,250, what was his income in 2020?
There are 100 students in a particular class. 60% students play cricket, 25 % play football and 15% play both the games. What is the number of students ...
The marks scored by a boy in three subjects are in the ratio 3 : 5 : 7. Boy scored an overall aggregate of 70% in the exam. If the maximum marks in each...
A scored 20% more than B. If both score 4 marks more than the sum of the marks scored by A and B together would have been 20% more than the passing mar...
Rakesh obtained 25% more marks than Ambuj Suresh obtained 40% less marks than Rakesh. Marks obtained by Suresh are what percent less than marks obtaine...
810 sweets were distributed equally among children in such a way that the number of sweets received by each child is 40% of the total number of children...
A number is initially increased by 30% and then reduced by 25%. What is the overall percentage change in the number?
In an election there are a total of 4,000 registered voters out of which x% of voters did not cast their votes and 180 votes are declared invalid. The w...
Instead of increasing the number first by 20% and then by 25%, it is reduced by 10%. What percentage does the final value represe...
