Question
The ratio of two numbers is 6:7. If each number is
decreased by 4, the ratio becomes 5:6. Find the smaller numbers.Solution
Let the two numbers be 6x and 7x. => (6x-4)/(7x-4) = 5/6 => 36x – 24 = 35x – 20 => x = 4 The smaller numbers = 6 × 4 = 24
500% of (121.8 + 16.4 – 28.2) = ? × 2
150% of 84 + ?% of 130 = 230
What will come in the place of question mark (?) in the given expression?
(72 × 4 – 92) ÷ 14 = ?
33 × ?2 – 6 × 5 = 3270
(3500 ÷ √1225) × √(20.25) = ? ÷ 4
What is 12% of 4% of 7% of 2 x 106 ?
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
42 * 7 * 64 * 11 * 6 *4
Find the simplified value of the given expression:
7 of 9 ÷ 3 × 5² + √81 – 14What will come in the place of question mark (?) in the given expression?
(12.09)2 × 5.98 ÷ 26.95 = ? + 25
10% of 100 + 14 = ?% of 120