Verbal Reasoning - Mental Ability Questions

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

7 x 5 x 6 = 576,
4 x 2 x 5 = 245,
8 x 2 x 5 = ?

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

3X4X5 = 435
4X3X2 = 342
2X3X4= ?

Select the related word from the given alternatives.
River : Stream :: Ocean : ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

DE, HI, LM,?

C has more money than E and E has more money than B. C is the second richest after A. Who has the least money out of A, B, C and E?

In the following question, select the related letters from the given alternatives.TRACK : MECTV : : POND : ?

Arrange the given words in the sequence in which they occur in the dictionary.
1. Cadartrally
2. Caddisflies
3. Caducities
4. Caddisworms
5. Cadetships

If 8 θ 12 δ 6 = 60 and 13 θ 15 δ 11 = 74, then 18 θ 21 δ 15 = ?