Question
A wooden box measures 20cm by 12cm by 10cm. Thickness of
wood is 1 cm. volume of wood to make the box is.(in cm 3 )Solution
l=20, b=12, h=10, and x =1 Volume of hollow cuboid = l× b× h –(l-2x) (b-2x) (h-2x) --where, x is the thickness of walls of the cuboid = 20×12×10 – (20-2) (12-2) (10-2) =2400-18×10×8 =2400-1440= 960cm3
Find the ratio of the number of students playing badminton in school B to that in school E.
The bar graph shows the number of students (in hundreds) in six different classes: A, B, C, D, E, and F.
In which year was the profit as percentage of income is the highest?
Find the ratio between the expenditure of C and the expenditure of D.
If 45 children preferred Apple, how many did choose Orange?
Find the average of number of laptops sold by all the shopkeepers together.
Number of Sold Nokia mobile in months of March and December together is what percentage more or less than number of sold Samsung mobile in Months of Au...
Calculate the overall percentage increase in the number of medals won by players from Country A from 2018 to 2022. Then, compare it with the overall pe...
The question consists of two statements numbered “I and II” given below it. You have to decide whether the data provided in the statements are suffi...
Expenses of G are equal to difference between expenses of B and D. Savings of G is 16.66% of his monthly income. G spends 35% of his expenses on Food an...
