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Animal cells lack a cell wall, chloroplasts, and typically have small or specialized vacuoles, unlike plant cells.
What is the fourth proportional of √20, √30, and √18?
Twin prime numbers are the prime numbers whose difference is always equal to 2. The number of twin primes between 35 and 100 is:
What is the value of 1² + 3² + 5² + 7² + 9² ................ 19²?
Let x = (726)245 – (437)458 + (333)335. What is the unit digit of x?
Find the last digit of (12123 – 1).
A number when divided by 21 gives a remainder of 15. What will be the remainder when twice that number is divided by 21?
If a number is decreased by 8 and divided by 12, the result is 16. What would be the result if 10 is subtracted from the number and then it is divided ...
What is the place value of 3 in 3678921410.
1. 3 ×104
2. 3 ×107
3. 3 ×105
4. 3 ×109