National Income was first estimated by

hich of the following numbers will replace the question mark (?) in the given series?

191, 174, 165, 148, 139, ? 

Select the correct mirror image of the given combination when the mirror is placed at 'MN' as shown below.

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

13 + 145 ÷ 29 × 52 – 11 = 106

Find the next number in the series.

6, 7, 16, 51, 208, ?

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

Select the number from among the given options that can replace the question mark (?) in the following series?

20, 25, 24, 30, 32, 35, ?

Select the number from among the given options that can replace the question mark (?) in the following series. 543, 518, 495, 474, 455, ?

If 4 November 2021 is a Thursday, then what will be the day of the week on 13 May 2023?