Which of the following rivers has the largest river

Statements:

Some cakes are biscuits.

Some biscuits are chocolates.

Conclusions:

I. Some biscuits are cakes.

In a certain code language, 'CHILD' is written as ‘6169248' and 'GUEST' is written as '142153840'. How will 'BOOK' be written in that language?

If 16 July 2001 is Monday, then what will be the day of the week on 23 December 2006?

Arrange the sentences in a sequence to make a coherent paragraph and choose the proper sequence from the given option:

Statements:

All valleys are mountains.

No sea is a mountain.

Some plains are seas.

Conclusions:

A statement is followed by four conclusions. Which of the conclusions is/are true based on the given statement?

Statement:

Select the number from among the given options that can replace the question mark (?) in the following series.

86, 89, 95, 104, ?, 131, 149

Select the pair which follows the same pattern as that followed by the two set of pairs given below. Both pairs follow the same pattern.

Which of the given figures when placed in the 5th position would continue the series that is established by the first four figures?