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Match the LIST-I with LIST-II

LIST-I (Expression)LIST-II (Value)
A.(550% of 250)÷275(550\%\text{ of }250) \div 275I.129.58
B.38% of 34138\%\text{ of }341II.231.6
C.15% of 578+22.5% of 64415\%\text{ of }578+22.5\%\text{ of }644III.156.8
D.140% of 56+56% of 140140\%\text{ of }56+56\%\text{ of }140IV.5

Choose the correct answer from the options given below:

Solution

✅ Correct Option: 3

Work out each expression in LIST-I one by one.

A. (550% of 250)÷275(550\%\text{ of }250)\div275

=550100×250÷275=\dfrac{550}{100}\times250\div275

=1375÷275=1375\div275

=5=5

B. 38% of 34138\%\text{ of }341

=38100×341=\dfrac{38}{100}\times341

=129.58=129.58

C. 15% of 578+22.5% of 64415\%\text{ of }578+22.5\%\text{ of }644

=86.7+144.9=86.7+144.9

=231.6=231.6

D. 140% of 56+56% of 140140\%\text{ of }56+56\%\text{ of }140

Both halves are equal here, because a%a\% of bb always equals b%b\% of aa.

=78.4+78.4=78.4+78.4

=156.8=156.8


Time saver: once A gives 5, only the options starting with A-IV survive, and one more calculation (C) settles it.

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