Challenger App

No.1 PSC Learning App

★
★
★
★
★
1M+ Downloads
If 3 is added to each odd digit and 1 is subtracted from each even digit in the number 42514563. What will be the difference between the highest and lowest digits thus formed?

A7

B8

C9

D5

Answer:

A. 7

Read Explanation:

image.png

8-1=7


Related Questions:

If '+' means '—', '—' means '÷', '÷' means '×' and '×' means '+', what will come in place of the question mark (?) in the following equation?

21 + 48 – 8 × 6 ÷ 4 = ?

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

42 + 7 ÷ 24 × 6 – 3 = ?

Select the set in which the mumbers are related in the same way as are the numbers of the following sets.

(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)

(4, 25, 6)

(3,28,9)

തന്നിരിക്കുന്ന വാക്യത്തിൽ '×' ചിഹ്നം '+' നെയും "+' ചിഹ്നം ' ÷ ' നെയും ' -' ചിഹ്നം '×' നെയും ÷' ചിഹ്നം "-' നെയും സൂചിപ്പിക്കുന്നു എങ്കിൽ 6 × 4 - 5 + 2 ÷1 ന്റെ വില ?

A statement is given, followed by four conclusions given in the options. Find out which conclusion is true based on the given statement.

Statement: J ≤ H ≤ G = R > Z = E > D

Options:

  • D > R

  • J ≤ G

  • Z < D

  • H > R