Maths Group11

For commercial purpose, the basic production method of nitric acid(HNO3) is known as __.

What is the value of |x| + 2x if x<0?

Although the doctor has warned him several times, he hasn't stopped ________yet.

In an ecosystem, the organisms that convert solar energy into chemical energy are called:

In Mendelian genetics, if a heterozygous tall plant (Tt) is crossed with a homozygous short plant (tt), what is the phenotypic ratio of the offspring?

.Which of the following best describes the function of the Smooth Endoplasmic Reticulum?

Consider the following data set: 11, 8, 7, 13, 12, 14, 15, 17, 20, 16, 19. Then which of the following is true about their distribution?

The largest L and the smallest S values of gross income of two companies (in Birr) are given below: Company 1: S = 1000 and L = 43200. Company 2: S= 1200 and L = 36000. Then which of the following is Not true about the two companies?

What is the mean deviation about the mode of the data set 12, 15, 12, 7, 10, 12, 9?

Consider the following data set: 22, 23, 24, 24, 25, 25, 26, 26, 27, 28. Then what is the inter-quartile(IQR) of the given data?

Which of the following is an absolute measure of dispersion?

Which of the following is the 2nd stage of cellular respiration?

It is the process of breaking the intra and unter-molecular non-covalent bonds that distrot the shape and active site of the enzymes. Which enzyme propertie shows the above statement?

Which of the following is NOT true about enzymes?

A pair of dice are rolled. What is the probability that the sum of the numbers on the upper faces is greater than 9 and even?

Suppose a student writes the days of the week on identical pieces of paper. She mixes them in in a bowl and selects one at a time. What is the probability that the day she selects will have the letter r in it?

In a class of boys and girls, the mean weight of 8 boys is 55 kg and the mean weight of a group of girls is 48 kg. The mean weight of all the children is 50.8 kg. Then how many girls are there?

Two fair dice are rolled once. What is the probability that the difference of the two numbers shown is 1?

An integer n, 1 ≤ n ≤ 144, is picked at random. What is the probability that n is the square of an integer?