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Surface area of the entire wall = length × height = 24 × 19 = 456 m2 Surface area of the window = sum of surface area of the square part + surface area of the triangular part => 62+ (1/2) × 6 × 4 => 36 + 12 = 48 m2 Required surface area = 456 – 48 = 408 m2
The number of pencils with ‘Ravi’ and ‘Shyam’ together is 30 more than that with ‘Karan’, while the number of pencils with ‘Shyam’ and �...
The number of present boys to girls is in the ratio 2:1. If 15 girls are absent and they form 25% of the total class, and no boy is absent, then find th...
Find the smallest number that when divided by 6, 8, and 15 leaves a remainder of 5 in each case.
A three-digit number 4c7 is added to the number 538 to give a three-digit number 9d5 which is divisible by 9. Find the value of (...
Group ‘M’ comprises four even integers in order, and group ‘N’ includes four successive odd integers. If the average of their first elements is ...
There are three numbers 'a', 'b' and 'c' (a < b < c) such that 'b' is equal to the average of 'a' and 'c'. 70% of 'c' is equal to 'a' and the difference...
