During inhalation, the muscles contract and move the ribs upwards and outwards. During exhalation, the intercostal muscles relax so the ribs move inwards and downwards.
The ratio of two number is 6 : 5 and their HCF is 15. So find and their LCM?
Two boys are on opposite sides of a tower of 100 m height. If they measure the elevation of the top of the tower as 30° and 45° respectively the...
A girl found the answer for the question “subtract the sum 1/2 and 1/8 from unity and express the answer in decimals” as 1.5. The percentage...
If x = 2 + √3 then find the value of x3/2 + 1/(x3/2) = ?
The diameter of the base of a cylindrical drum is 21 dm and the height is 12 dm. It is full of petrol. How many tins each of size 15 cm × 11 cm &t...
If x+ 1/x = 3, then find the value of 2x/(3x²-5x+3)
If the Simple Interest and Compound Interest of a sum of money for two years are Rs. 1800 and Rs. 1935 respectively. Then find out the sum?
The efficiency of A,B,C,D are in the ratio of 6:5:4:3. If A and C can do a work together in 6 days. Then How many days B and D will take to complete the...
If 4x + 1/5x = 4, then find value of 125x³ + 1/64x³
In a Mixture , the ratio of Milk and Water is 7 : 5. If 12 litre mixture is drawn off and replaced by 8 litre water then the ratio of Milk and Water b...
