Question
Which of the following statements is correct about human
made resources? I. People use natural resources to make buildings, bridges, roads, machinery and vehicles, which are known as human made resources. II. Technology is not a human made resource.Solution
The correct answer is A
Total population of city P and Q is 2320 and 3150 respectively. If the ratio of number of males to females in city is P and Q is 5:3 and 3:2 respectivel...
- If the mean proportion of 1.44 and 2.25 is 'k', then find the value of '3k'.
Rs.12000 was divided among A, B and C in the ratio 3:4:5. B kept Rs.1500 for himself, gave Rs.500 to his mother and divided the remaining money among hi...
A plot has to be divided among P, Q and R in the ratio 3:5:7 respectively. If the area of plot received by R is 4200m² more than the area of plot recei...
Find the third proportional to 16 and 48?
If a/b =c/d =e/f =2/3 Then (2a2-3c2+4e2)/ (2b2-3d2+4f2) =?
If the third proportion of 36 and 54 is “0.5k”, then find the value of (k − 28) : (k + 20).
The ratio of heartbreak to emotions is 2:3:4:5 The price of heart is inversely proportional to the square of emotions. If there is a loss of Rs 1420 due...
The ratio of two numbers is 3 : 8. If the sum of both the numbers is 220, then what is the smaller number among both the numbers?
The ratio of the two numbers is 4:11. 120% of the first number is equal to the 70% of the second number. Find the sum of both the numbers.