With respect to CpG islands in our genomic DNA, which, if any, of the following descriptions do not apply?

1) frequently occurring (there are about 30,000 in the human genome).

2) long DNA sequences (typically from 10 kb to 100 kb in length).

3) low CG dinucleotide frequency.

4) frequently associated with transcriptional start sites.

#Question id: 5410

#General Aptitude

The arithmetic mean of a set of 50 numbers is 40. If two numbers, namely. 75 and 55, are discarded , the mean of the remaining set of numbers is:

#Question id: 5411

#General Aptitude

The mark of a student was wrongly entered as 87 instead of 70. Due to that the average marks for the class got increased by half. The numbers of students in the class is:

#Question id: 5412

#General Aptitude

The Average age of a cricket team reduces by 3 when two senior players aged 37 and 38 are replaced by 2 youngsters are equal age .what is the age of this players ?

#Question id: 5413

#General Aptitude

I was travelling from my home to office. If half of my journey was on train, which is at a speed of 60km/hr. then my friend called me to join him in his car. Thus from the next station, I covered half of the remaining journey by his car at 30kh/hr. his car broke down after that, and we together travelled the rest by Rickshaw at 10km/hr. the average speed of me during my entire journey is?

#Question id: 5414

#General Aptitude

If a, b, c, d and e are five consecutive odd numbers, the average is

#Question id: 5415

#General Aptitude

The average marks of three batches of student having 70, 80 and 50 students respectively are 60 ,50 and 46 the average marks of all the 200 students tekan together is