Which of the following term in the Preamble best

Choose the next number in the series.

55, 66, 88, 121, 165,?

'P × Q' means 'P is the father of Q'

'P + Q' means 'P is the brother of Q'

'P ÷ Q' means 'P is the son of Q'

Find the wrong number in the following number series:

10, 17, 26, 36, 50

Select the option in which the following figure is embedded. (Rotation is NOT allowed)

If – means multiplication, × means division, ÷ means addition, and + means subtraction, then what is the value of the following expression?

Which two numbers from amongst the given options should be interchanged to make the given equation correct

Find the missing number in the series given below.

2, 6, 30, 210, ?, 30030

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

PR_Y_ _RA_ZP_A_Z

Ringworm : Skin :: Tapeworm : ?

Which two signs should be interchanged to make the following equation correct?

16× 25÷ (121 - 11) = 389