For the following questions answer them individually
Simplify: $$44 + 67 - 32 \div 4 + (9 + 5 + 5 + 4) - 1$$
The given table shows the number of boys and girls in the schools. Which school has minimum number of students?
If (7x + y) : (7x - y) = 7 : 2, then what is the value of x : y?
If 3 boys and 8 girls can do a work in 6 days, and 1 boy and 5 girls can finish the same in 12 days, find the ratio of efficiencies of a boy and a girl.
Solve: $$(64 \div 8) - 5 + 4 \times 23 + 45 - 87$$
The sum of the two numbers is 400. If the bigger number is decreased by 16% and the smaller number is increased by 16%, then the numbers obtained are equal. Find the smaller number.
What is the Highest Common Factor of 4/55, 2/11 and 8/22?
Ravi drives 200 km from Dungarpur to Udaipur. His average speed is 50 kmph. He leaves Dungarpur at 8:20 a.m. By what time he will reach Udaipur?
By selling 100 notebooks, a shopkeeper gains the selling price of 20 notebooks. What is his gain percentage?
What is the value of $$\frac{343}{49} \times \frac{45}{9} \ of \ \frac{27}{15} \times \frac{256}{64}$$?