Question
How many sex chromosomes are there in a normal human
being?Solution
The 23rd pair called sex chromosomes differ in males and females. Females have two copies of the X chromosome (XX), while males have one X and one Y chromosome (XY). Thus all non-gametic cells have 2 sex chromosomes in them.
Calculate 50% of the L.C.M of 208 and 216.
Find the GCD of 1.08, 0.36 and 0.9.
Train X running at a speed of 32 km/hr crosses train Y in 20 seconds. Find the speed of train Y (in km/hr), if the sum of the length of train X and Y is...
Three bells ring at regular intervals of 28 seconds, 60 seconds, and 84 seconds, respectively. Over a span of 10 minutes, how many times will all three ...
The LCM of two numbers is 4 times of their HCF. The sum of LCM and HCF is 320. If one of the number is 256, then the other number is:
- The sum of HCF and LCM of two numbers is 425. If the LCM is 16 times the HCF, and one number is 25, find the second.
If total number of factors of 3,240 is 'x', then find the value of (x - 3)(x + 5).
LCM and HCF of two numbers are respectively 3 and 18. If one of them is 9, find the other number.
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