A number when subtracted from 5 times of 64, the result obtained is 4 less than 8 times the number. Find the number.
1). 28
2). 36
3). 42
4). 54
Let the number be ‘x’
⇒ (5 × 64) – x = 8x – 4
⇒ 8x + x = 320 + 4
⇒ 9x = 324
⇒ x = 324/9 = 36
∴ The number is 36