Which two numbers and two signs should be interchanged in the following equation to make it correct? 

14 + 16 - 14 × 9 ÷ 4 = 61

Which two signs should be interchanged to make the given equation correct?
2 × 236 − 2 + 36 ÷ 72 = 200

Three of the following four options are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

_TUVTR_WU_UXVN_Y

What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘-’ are interchanged and ‘×’ and ‘÷’ are interchanged?

125 ÷ 5 + 1809 × 9 - 14 = ?

Select the correct mirror image of the given figure when the mirror is placed at MN.

Six letters M, N, O, P, Q and R are written on different faces of a dice. Two positions of this dice are shown in the figure below. Find the letter on the face opposite to O.

In a certain code language, ‘LIGHT’ is coded as ‘25709’ and ‘SIGHT’ is coded as ‘97065’. What is the code for ‘S’ in that language?

Select the option in which the numbers share the same relationship as that shared by the given pair of numbers.

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding/deleting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

33 : 340

48 : 490

XAB and XCD are two secants to a circle. If XA = 18 cm, AB = 22 cm and XC = 24 cm, then find the value of XD (in cm).

In a room, there are some chairs and some people. If on each chair, only one person is seated, then there is no chair for exactly one person. If on each chair, two persons sit, then there is one vacant chair. What is the number of chairs in the room?