Question
The ratio of the height of a room and its semi-perimeter
is 2:5. The cost of applying 50cm wide paper at the rate of Rs 8/meter on the remaining walls except 15 square meters of doors and windows is Rs 1040. What is the height of this room? type-sscSolution
Let the height of room =2x meter and (l + b) =5x meter Length of paper =1040/8 =130meter width of paper =50cm =50/100=1/2meter Area of paper = 130×1/2 =65m2 Area of four walls= (65+15) =80m2 2(l+ b) ×h =80 2(5x) ×2x=80 20x2 =80 X=2 Height of room =2x=2×2=4meter.
Find the missing term.
   In each of the following questions, select the related number from the given alternatives:
8/15 : 2/5 : : 16/21 : ?
Select the missing number from the given responses.Â
Find the missing term:
Find the missing number.
20, 30, 42, 56, 72, ?
- Study the given pattern carefully and select the number that can replace the question mark [?] in it.
First row: 10, 6, 964
Second row: 7, 3... Find the missing term in the following series:
43 44 ? 69 185
...Find the missing number by analysing the pattern followed by the numbers in each row.
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
 First row: 84, 42, 49
Second row: ...
Study the given pattern carefully and select the number that can replace the question mark [?] in it?
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