Advertisements
Advertisements
प्रश्न
Find the mean proportional between 0.6 and 9.6
उत्तर
Mean proportional between 0.6 and 9.6
`= sqrt(0.6 xx 9.6)`
`= sqrt(6/10 xx 96/10)`
`= sqrt (576/100) = 24/10`
= 2.4
APPEARS IN
संबंधित प्रश्न
If Chameli had Rs 600 left after spending 75% of her money, how much did she have in the beginning?
if `x/a = y/b = z/c` prove that `(ax - by)/((a + b)(x - y)) + (by - cz)/((b + c)(y - z)) + (cz - az)/((c + a)(z - x)) = 3`
Convert the following percentage to fractions and ratio:
25%
Find the duplicate ratio of the following :
`2/3 : 4/9`
If (3x - 9) : (5x + 4) is the triplicate ratio of 3 : 4, find the value of x.
State true or false :
A ratio equivalent to 5 : 4 is 240 : 192
Find: The sub-triplicate ratio of 216: 343
If a: b with a ≠ b is the duplicate ratio of a + c: b + c, show that c2 = ab.
If a : b = 1.5 : 3.5 and b : c = 5 : 6, find a : c.
The income of a man is increased in the ratio of 10 : 11. If the increase in his income is Rs 600 per month, find his new income.
The ratio of zinc and copper in an alloy is 7 : 9. If the weight of copper in the alloy is 12.6 kg, find the weight of zinc in it.
If x : a = y : b, prove that `(x^4 + a^4)/(x^3 + a^3) + (y^4 + b^4)/(y^3 + b^3) = ((x + y)^4 + (a + b)^4)/((x+ y)^3 + (a + b)^3`
The length and breadth of a window are in 1m and 70 cm respectively. The ratio of the length to the breadth is _______________
27 cm2 : 57 cm2 = 18 cm : 38 cm
An office opens at 9 a.m. and closes at 5.30 p.m. with a lunch break of 30 minutes. What is the ratio of lunch break to the total period in the office?
Shivangi is suffering from anaemia as haemoglobin level in her blood is lower than the normal range. Doctor advised her to take one iron tablet two times a day. If the cost of 10 tablets is Rs. 17, then what amount will she be required to pay for her medical bill for 15 days?
Given below is a Mathematical term.
Find the ratio of consonants to vowels in the term.
Given below is a Mathematical term.
Find the ratio of consonants to vowels in the term.
If (2x + 3y) : (3x + 2y) = 4 : 3; then x : y is ______.
The compound ratio of x – y : x + y and (x + y)2 : x2 – y2 is ______.
