exam Maths Puzzle Logical Reasoning Coding Decoding


A tea expert claims that he can easily find out whether milk or tea leaves were added first to water just by tasting the cup of tea. In order to check this claims 10 cups of tea are prepared, 5 in one way and 5 in other. Find the different possible ways of presenting these 10 cups to the expert.

A.

252

B.

240

C.

300

D.

340

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exam Other Question

A committee is to be formed comprising 7 members such that there is a simple majority of men and at least 1 woman. The shortlist consists of 9 men and 6 women. In how many ways can this committee be formed?

A.

3724

B.

3630

C.

4914

D.

3824
How many arrangements of four 0's (zeroes), two 1's and two 2's are there in which the first 1 occur before the first 2?

A.

420

B.

360

C.

320

D.

210