What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and also ‘×’ and ‘÷’ are interchanged?
28 ÷ 12 + 18 × 6 + 4 = ?
Study the given pie-chart and answer the following question.
The given pie chart depicts the number of orders placed in four months. The total number of orders placed in the given four months together is 90.
The number of orders placed in February is 24 more than the number of orders placed in November. What is the number of orders placed in February?
Study the given line-graph and answer the question that follows.The line graph shows the number of trucks sold (in thousands) by company LMN over the years.
Question: What is the ratio of total trucks sold in 2012, 2013, 2014 and 2015 to trucks sold in 2016, 2017, 2018 and 2020?
A quadratic equation whose roots are \( \frac{5}{3} \) and \( \frac{3}{4} \) is :
12x2 -11x -15 = 0
6x2 -11x -15 = 0
6x2 +11x -15 = 0
12x2 + 22x -15 = 0
If p sin²β + q cos²β = r, then the value of cot²β is:
\(\frac{r-q}{r-p}\)
\(\frac{r-p}{r-q}\)
\(\frac{p-r}{r-q}\)
\(\frac{r-q}{p-r}\)
A concave lens of focal length 30 cm forms an image of an object placed at 60 cm from it. The position and nature of the image formed will be:
−20 cm, virtual and erect
−20 cm, real and erect
20 cm, virtual and erect
20 cm, real and erect