Advertisements
Advertisements
प्रश्न
If the weight of 40 books is 8 kg, then the weight of 15 books is 3 kg
विकल्प
True
False
उत्तर
True
Explanation;
Hint: Weight of 1 book = `8/40 = 1/5` kg
Weight of 15 books = `1/5 xx 15` = 3 kg
APPEARS IN
संबंधित प्रश्न
Find the mean proportional between :
17.5 and 0.007
If b is the mean proportional between a and c, prove that `(a^2 - b^2 + c^2)/(a^-2 -b^-2 + c^-2)` = b4.
If a, b, c are in continued proportion, prove that a : c = (a2 + b2) : (b2 + c2).
Find the fourth proportional to 3, 12, 15
The cost of 18 chairs is Rs 22770. How many such chairs can be bought for Rs 10120?
If 25 : 35 : : 45 : x, then the value of x is
If a, b, c are in continued proportion, prove that: `(pa^2+ qab+ rb^2)/(pb^2+qbc+rc^2) = a/c`
Choose the correct answer from the given options :
The mean proportional between `(1)/(2)` and 128 is
Write True (T) or False (F) against the following statement:
16 : 24 : : 20 : 30
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
