Multiple choice

Three times a number is equal to 1.2 times of twice another number increased by 105. If twice the first number increased by 36 is equal to 0.8 times of three times the second number, then what is the first number?

  1. 150

  2. 162

  3. 180

  4. 160

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let the two numbers be x and y. Then, 3x = 1.2( 2y +105) 3x = 2.4y + 126 ………………..(1) 2x + 36 = 0.8(3y) 2x + 36 = 2.4y ………………..(2) x = 162 Therefore, 162 is the first number.