Question
An element has an atomic number of 17 and a mass number
of 36. How many neutrons are in its nucleus?Solution
The number of neutrons is calculated by subtracting the atomic number from the mass number: 36 - 17 = 19 neutrons.
Palash invest thrice the sum invested by Vicky and withdraws half of the sum after 3 months and again withdraws half of the remaining sum after 3 months...
The ratio of the cost price of the Blender and Food Processor is 4:3. The marked price of the Blender is 30% higher than its cost price, while the marke...
A is 60% as efficient as B, and C is 50% as efficient as A. If A, B, and C working together can finish a task in 15 days, how many days will it take for...
50 men takes 10 less days to do a work than 30 men takes time for same work. Find in how many days 15 men can complete the 2/5th of the work?
'P' invested a certain sum of money for 2 years at an annual compound interest rate of 20% and earned a total interest of Rs. 660...
The first, second and fourth terms of a ratio are 4, 6 and 12 respectively. So what will be the third term?Â
For A = [[2,3],[-1,4]], find det(2A).
A person is standing 30 meters away from the base of a building. If the angle of elevation from the person's eye level to the top of the building is 60 ...
Ratio of monthly income to monthly expenditure of A is 8:7, respectively and monthly savings of A is Rs. 2880. Find the monthly income of A.
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