Advertisements
Advertisements
प्रश्न
Two numbers are in the ratio 5 : 7 and the sum of these numbers is 252. The larger of these numbers is
विकल्प
85
119
105
147
उत्तर
147
Ratio = 5 : 7
Let x be any number such that we have:
5x + 7x = 252
⇒ 12x = 252
⇒ x = `252/12` = 21
Now, 5x = 5 × 21= 105
7x = 7 × 21 = 147
The largest number is 147.
APPEARS IN
संबंधित प्रश्न
Find the mean proportional between :
17.5 and 0.007
Write (T) for true and (F) for false in case of the following:
51 : 68 : : 85 : 102
Write (T) for true and (F) for false in case of the following:
30 bags : 18 bags : : Rs 450 : Rs 270
Show that the following numbers are in continued proportion:
16, 84, 441
4.5 g of an alloy of copper and zinc contains 3.5 g of copper. What weight of copper will there be in 18.9 g of the alloy?
The ratio 92 : 115 in its simplest for is
Find whether 12, 24, 18, 36 are in order that can be expressed as two ratios that are in proportion
Find the missing number in the box in the proportions:
`8/square = 3.2/4`
Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.
39 litres : 65 litres and 6 bottles : 10 bottles
If x + y + z = 0, the value of `x/(y + z)` is ______.
