Advertisements
Advertisements
प्रश्न
A car travels 90 km in 3 hours with constant speed. It will travel 140 km in 5 hours at the same speed
विकल्प
True
False
Advertisements
उत्तर
False
Explanation;
Hint: 1 hour the car travels = `90/3` = 30 km
In 5 hours the car travels = 30 × 5 = 150 km
APPEARS IN
संबंधित प्रश्न
Find the third proportional to a – b and a2 – b2
If q is the mean proportional between p and r prove that `(p^3 + q^3 + r^3)/(p^2q^2r^2) = 1/p^3 + 1/q^3 = 1/r^3`
Which number should be subtracted from 12, 16 and 21 so that resultant numbers are in continued proportion?
If `1/12` , x and `1/75` are in continued proportion , find x.
If u, v, w, and x are in continued proportion, then prove that (2u+3x) : (3u+4x) : : (2u3+3v3) : (3u3+4v3)
`("pqr")^2 (1/"p"^4 + 1/"q"^4 + 1/"r"^4) = ("p"^4 + "q"^4 + "r"^4)/"q"^2`
What number must be added to each of the numbers 5, 11, 19 and 37 so that they are in proportion?
Determine if the following ratio form a proportion:
25 cm : 1 m and Rs 40 : Rs 160
In covering 111 km, a car consumes 6 L of petrol. How many kilometers will it go to 10 L of petrol?
A particular high school has 1500 students 50 teachers and 5 administrators. If the school grows to 1800 students and the ratios are maintained, then find the number of teachers and administrators
Determine if the following are in proportion.
24, 28, 36, 48
