CAT Questions

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TRUST.

Most of the known extrasolar planets resembles the planet Jupiter in the solar system.

Other things the same, when the interest rate rises people would want to lend more, making the quantity of loanable funds supplied increase.

Nuclear power energy source generates radioactive waste.

The second would employ a comma, or semi-colon, and not a colon so it is not properly punctuated.

The third sentence would not be correct because it uses 'like', usually used for comparison. Since you are not comparing two questions, it would not be appropriate.

The fourth sentence has 'is' before the colon, which is a implies declaration and not listing. So, again, it would not be appropriate.

Hence, the first sentence, however, is punctuated correctly.