Question
The total strength of school A is 20% more than that of
school B. In school A and B, out of total number of students, 30% and 40% respectively are girls. The number of boys in school A is how much percent more/less than that in school B?Solution
Let the total number of students in school B be ‘x’. Therefore, total number of students in school A = 1.2x Number of boys in school A = 0.70 × 1.2x = 0.84x Number of boys in school B = 0.6x Required % = [(0.84x – 0.6x)/0.6x] × 100 = 40%
What will come in the place of question mark (?) in the given expression?
(18 × 8 ÷ 12) × 10 = ?
Solve: 3/4÷2/3
- What will come in place of the question mark (?) in the following questions?
120÷(5×2)+8=? Simplify the following expressions and choose the correct option.
[540 ÷ (6 × 3) + 7.5 × 4] ÷ 3 = ?
Simplify the following expressions and choose the correct option.
864 ÷ 16 + 2⁵ × 3 = ?
What is the value of √75 + √108?
What should come in place of (?) question mark in the given expression.
(576 ÷ 12) + (3³ × 4) = ?
What will come in the place of question mark (?) in the given expression?
(1040 ÷ 12) ÷ 19 × 1824 = ?
675 ÷ 15 + 225 – 18 × 6 = ?
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