Simplify
818×1520÷2415×4235
Step 1:- Convert the division sign into multiplication by taking reciprocal,
Given fraction is 818×1520÷2415×4235
Converting the division sign into multiplication by taking reciprocal of 2415 i.e. 1524,
⇒ 818×1520×1524×4235
Step 2:- Simplify the solution,
8×15×15×4218×20×24×35=14
Therefore,818×1520÷2415×4235=14
Simplify 35+(-12)
Study the pattern and answer the following:
18×1=18
18×2=36 (add 2 tens and 2ones less than 18i.e. 20+16)
18×3=54 (add 2 tens and 2ones less than 36i.e. 20+34)
18×4=72 (add 2 tens and 2ones less than 54i.e. 20+52)
Now, continue this pattern
18×5=.........18×6=.........18×7=.........18×8=.........18×9=.........18×10=.........
Simplify the ratio : 15:120:135