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Start learning 50% faster. Sign in nowExplanation: Antonie van Leeuwenhoek is often referred to as the father of microbiology for his observations of bacteria and protozoa using microscopes.
Currently, the combined age of Rajesh and Ramesh is 77 years. One year ago, the ratio of their ages was 7:8, with Rajesh being 7 parts and Ramesh being ...
The highest common factor (HCF) and the least common multiple (LCM) of two numbers add up to 680. Additionally, the LCM is 84 times the HCF. If one of t...
Determine the number of factors of 360.
Two inlet pipes 'A' and 'B' can fill an empty tank in 48 minutes and 80 minutes, respectively. Another outlet pipe 'C' can empty the tank in 120 minutes...
At present, the combined age of Ravi and Rajeev is 42 years, with their ages in the ratio of 4:3. What will be the ratio of their ages six years from now?
If + means divide, × means -, ÷ means multiply and – means plus, then find the value of 9 + 3 ÷ 4 - 8 × 2
Find the value of ‘x’ if x% of 600 + {1440 ÷ x of 16} × 8 = 156
Find the highest common factor (HCF) of (12/7) , (9/10) and (3/5)
A child is half as efficient as a man. How much time do 8 children need to build a wall that is 60% the size of the wall built by the 12 men in 15 days?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
