For the following questions answer them individually
The following histogram shows the score by the students of grade 10.
What percent of total student scored more than 60%?
Length of a chord is 30 cm in a circle whose radius is 17 cm. What will be the distance of this chord from the centre.
Tina alone can do a piece of work in 12 days and Meena alone can do the same work in 15 days. If Tina and Meena undertook to do this work for Rs. 18,000, then how much amount will Meena get, if they work together?
Radii of two circles are 12 cm and 5 cm. Distance between their centres is 25 cm. What is the length of the direct common together?
The bar graph given below shows the saving and expenditure of 5 companies J, K, L, M and N.
The average savings of all companies is what percent of the average expenditure of all companies?
The average age of 30 students is 15 years. It was observed that while calculating the average age, the age of a student was taken 15 years instead of 9 years. What will be the correct average age?
A car travels a distance of 60 km uniform speed. If the speed of car is increased by 8 km/hr, then it takes 2 hours less to cover the same distance. What is the original speed of the car?
A person sells wheat at a profit of 25 percent. If he reduces its selling price by Rs. 40, then he suffers a loss of 25 percent. What was the initial selling price of the wheat?