Advertisements
Advertisements
प्रश्न
Show that the following numbers are in continued proportion:
16, 84, 441
उत्तर
16:84, 84:441
Product of means = 84 × 84 = 7056
Product of extremes = 16 × 441 = 7056
Product of means = Product of extremes
Hence, 16:84::84:441 are in continued proportion.
APPEARS IN
संबंधित प्रश्न
The following numbers, K + 3, K + 2, 3K – 7 and 2K – 3 are in proportion. Find K.
Find the third proportion to the following :
3 and 15
Find the smallest number that must be subtracted from each of the numbers 20, 29, 84 and 129 so that they are in proportion.
If q is the mean proportional between p and r, prove that
`p^2 - q^2 + r^2 = q^4[(1)/p^2 - (1)/q^2 + (1)/r^2]`.
Determine if the following ratio form a proportion:
200 mL : 2.5 L and Rs 4 : Rs 50
If the weight of 40 books is 8 kg, then the weight of 15 books is 3 kg
Write the mean and extreme terms in the following ratios and check whether they are in proportion.
400 gm is to 50 gm and 25 rupees is to 625 rupees
Which of the following ratios are in proportion?
Find the missing number in the box in the proportions:
`square/18 = 2/9`
Find the missing number in the box in the proportions:
`8/square = 3.2/4`