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

If 12 × 16 = 188 and 14 × 18 = 248, then find the value of 16 × 20 = ?

What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘× ‘ are interchanged and also ‘5’ and ‘9’ are interchanged?
 3 + 9 – 6 × 5 ÷ 3 = ? 

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

In a certain code language, 'DENTIST' is written as ‘CDMSHRS’ and ‘TOOTH’ is written as ‘SNNSG’, how will 'HEALING' be written in that language?

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”?

The information given below represents the number codes for the given letters. Select the combination of numbers so that the letters arranged accordingly form a meaningful word.
 R = 1, E = 2, A = 3, C = 4, T = 5, I = 6, V = 7, E = 8

The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs, EXCEPT one. Find that odd number pair.

The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs, EXCEPT one. Find that odd number pair.