IB ACIO 20 February 2021 Afternoon Shift

If $$ (a+b-1)^{2}+(b+c-9)^{2}+(c+a-4)^{2}\leq0 $$ then the value $$\sqrt{(a+b)^{c}+(c+a)^{b}-1}$$ is:b

Line-graph given below shows the total no. of products in two different stores P & Q in five different years.

What is the difference between total number of products in store Q in year 2010 & 2011 together and total number of products in store P in year 2008 and 2012 together?

In a lock making factory, 5 percent of the total produced locks were found defective and 80 percent of the non-defective locks were exported. If 85500 non-defective locks were not exported, then how many locks produced?

A number is divided into two parts in the ratio of 5 : 6 respectively. The sum of 60 percent of first part and 50 percent of second part is 8d: If both parts are increased by 10, then what will be the respective ratio between the sum of old numbers and new numbers?

Find the vlaue of $$\sqrt{(1+3+5\cdot\cdot\cdot+93)+(1-\frac{1}{3})(1-\frac{1}{4})(1-\frac{1}{5})\cdot\cdot\cdot(1-\frac{1}{2209})}$$

The given bar graph shows the exports of of jute by a company over the year 2011 to 2017?

Which of the following pairs of year has the maximum percentage of decrease in export?

Average of 8 students is 15 years. If two more students of age 20 and 10 years join. What will be the new average age?

If a and b are two real numbers such that b > a, ab < 0, the sum of their squares is 458 and the difference between their squares is 120, then find the value of a - b.

M can do a piece of work in 20 days. He works at it alone for 5 days and N alone finishes the remaining work in 9 days. In how many days, both of them together can complete the work ?

Rama did a survey where she asked all the people in her apartment to name their favourite pet. The results are shown in the pie-chart. If 48 people said their favourite pet was a rabbit then, how many persons said that their favourite pet was a cat?