App Logo

No.1 PSC Learning App

1M+ Downloads

If ‘+’ means ×, ‘-‘means ÷ , ‘×’ means + and ‘÷ ’ means -; compute the value of the expression:

15 + 9 × 10 ÷ 5

A. 140

B. 190

C. 145

D. 130

AA

BD

CC

DB

Answer:

A. A

Read Explanation:

Given: + → × - → ÷ × → + ÷ → - given expression: 15 + 9 × 10 ÷ 5 after changing: 15 × 9 + 10 - 5 = 140 → 135 + 10 - 5 = 140 → 145 - 5 = 140 Hence, 140 is the correct answer.


Related Questions:

image.png
image.png

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

72÷9×8+65=10072\div{9}\times{8} + 6-5 = 100

Select the set in which the numbers 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 / 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) (1, 8, 3) (2, 21, 5)
What will come in the place of ‘?’ in the following equation, if ‘−’ and ‘×’ are interchanged and ‘+’ and ‘÷’ are interchanged? 99 + 33 − 28 × 32 ÷ 10 = ?