Gain in 2 years |
|
||||||||||||||||
= Rs. (625 - 400) | |||||||||||||||||
= Rs. 225. |
∴ Gain in 1 year = Rs. | ❨ | 225 | ❩ | = Rs. 112.50 |
2 |
U ? A = {a, b, c, d, e, f} ? {a, b, c} = {a, b, c, d, e, f} = U
(U ? A)? = ?.
Sunil's income is less than Mukul's = [(10 / (100 + 10)] × 100 %
= ( 1000 / 110 )%
= 9.09 %
So, 39 is wrong.
So, 33 is wrong. It must be 35
∴ x = 7.
So, 40 is wrong.
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