हिंदी

Find the duplicate ratio of 5a : 6b - Mathematics

Advertisements
Advertisements

प्रश्न

Find the duplicate ratio of 5a : 6b

योग

उत्तर

Duplicate ratio of 5a : 6b
= (5a)2 : (6b)2 
= 25a2 : 36b2.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Ratio and Proportion - Exercise 7.1

APPEARS IN

एमएल अग्रवाल Understanding ICSE Mathematics [English] Class 10
अध्याय 7 Ratio and Proportion
Exercise 7.1 | Q 3.3

संबंधित प्रश्न

Using properties of proportion solve for x, given

`(sqrt(5x)+sqrt(2x -6))/(sqrt(5x)- sqrt(2x -6)) = 4`


If x = `"pab"/("a + b")`, then prove that `("x + pa")/("x - pa") + ("x + pb")/("x - pb") = (2("a"^2 - "b"^2))/"ab"`


Find the third proportional of 2 m 40 cm and 40 cm


Reduce the following ratio to their lowest term:

4 weeks : 49 days


Mr. Gupta divides Rs 81000 among his three children Ashok, Mohit, and Geeta in such a way that Ashok gets four times what Mohit gets and Mohit gets 2.5 times what Geeta gets. Find the share of each of them.


Find two numbers in the ratio of 8 : 7 such that when each is decreased by , they are in the ratio 11 : 9.


Mr. Sahai and his wife are both school teachers and earn Rs 16800 and Rs 10500 per month respectively. Find the ratio of

(i) Mr. Sahai's income to his wife's income;
(ii) Mrs. Sahai's income to her husband's income;
(iii) Mr. Sahai's income to the total income of the two.


If (7 p + 3 q) : (3 p – 2 q) = 43 : 2 find p : q


Divide 20 pens between Sheela and Sangeeta in the ratio of 3 : 2.


A doctor reports blood pressure in millimeters of mercury (mm Hg) as a ratio of systolic blood pressure to diastolic blood pressure (such as 140 over 80). Systolic pressure is measured when the heart beats, and diastolic pressure is measured when it rests. Refer to the table of blood pressure ranges for adults.

Blood Pressure Ranges
  Normal Prehypertension Hypertension
(Very High)
Systolic Under 120 mm Hg 120-139 mm Hg 140 mm Hg and above
Diastolic Under 80 mm Hg 80-89 mm Hg 90 mm Hg and above

Manohar is a healthy 37 years old man whose blood pressure is in the normal category.

  1. Calculate an approximate ratio of systolic to diastolic blood pressures in the normal range.
  2. If Manohar’s systolic blood pressure is 102 mm Hg, use the ratio from part (a) to predict his diastolic blood pressure.
  3. Calculate the ratio of average systolic to average diastolic blood pressure in the prehypertension category.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×