For the following questions answer them individually
If A alone can complete a work in 20 days and B alone can complete the same work in 30 days, then which of the following statement(s) is/are correct?
I. Ratio of efficiency of A and B is 3 : 2.
II. Working together A and B can complete the same work in 12 days.
The Bar graph shows four different toys (Bicycle, Train, Car & Bus) manufactured by ABC Pvt Ltd. company in 3 consecutive years.
What is the ratio between the sum of cars and trains manufactured in 2017 and 2018 to the total number of buses manufactured in 2016, 2017 and 2018 together ?
The length of rectangular sheet of paper is 24 cm more than the breadth and perimeter of the rectangular sheet is 128 cm. Find the length of the rectangular sheet.
Rs. 6000 is lent at the annual rate of 10 percent for 2 years. Which of the following is statement(s) is/are correct?
I. Simple interest to be received on this sum is Rs. 1200
II. Compound interest (compounding annually) to be received on this sum is Rs. 1260
If $$\tan \theta + \cot \theta = 2$$, then what is the value of $$\tan \theta - \cot \theta$$?
The following line graph shows the annual profit percentage earned by a company during the years 2016 to 2020. What is the average profit percent earned by the company during the years 2016 to 2020?
A wheel makes 500 revolutions in covering a distance of 44 km. Find the radius of the wheel.
Length of chord MN is 40 cm. Distance of chord MN from the centre is 15 cm. What will be the radius of this circle?