Direction: Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis.

3 × 4 × 5 = 435

4 × 3 × 2 = 342

2 × 3 × 4 = ?

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 64 * 4 * 3 * 71 * 19 * 5 * 43

Direction: Study the following information carefully and answer the given questions.
An uncertain number of people are sitting in a row facing north and are at an equal distance between them. The number of people sitting to the left of A is the same as to the right of H. G is sitting third to the right of D, who is sitting immediate right of A.
The number of people sitting between I and F is the same number of people sitting between F and B. H is sitting four places away from E, who is not an immediate neighbour of C. Only one person is sitting between D and I, who is sitting fourth from the left end. C is sitting exactly between F and B, who is sitting immediate left of H. Two people are sitting between G and F.

What is the total number of people sitting in a row?

By interchanging the given two signs which of the following equation will be not correct?
 –   and ÷

Direction: Study the following information and answer the questions that follow.
 In an artificial language,
 “Square Love On Black” is written as “dl ap xy bc”

“Square floor On Black” is written as “dl uv bc ap”

“Love Wings Beauty Nice” is written as “sq xy om rz”

“Wings Beauty Floor Black” is written as “sq rz uv bc”

What is the meaning of the code “dl”?

Direction: Study the following information carefully and answer the given questions.
An uncertain number of people are sitting in a row facing north and are at an equal distance between them. The number of people sitting to the left of A is the same as to the right of H. G is sitting third to the right of D, who is sitting immediate right of A.
The number of people sitting between I and F is the same number of people sitting between F and B. H is sitting four places away from E, who is not an immediate neighbour of C. Only one person is sitting between D and I, who is sitting fourth from the left end. C is sitting exactly between F and B, who is sitting immediate left of H. Two people are sitting between G and F.

Who among the following is sitting at the extreme end?

After interchanging the given two numbers and two signs what will be the values of equation (I) and (II) respectively?
– and ×, 6 and 4
 I. 7 × 6 + 8 ÷ 2 – 4
 II. 4 – 7 × 6 + 8 ÷ 2

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 50 * 2 * 3 * 30 * 10 * 40 * 20