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Let the distance be D km Speed of the 1st bus = D/5 km/hr Speed of the 2nd bus = (2 D)/5 km/hr Speed of 2nd bus = 2 × speed of 1st bus ∴ Distance travelled by 1st bus till 8:30 am = 2 × D/5 = (2 D)/5 Now, Distance between buses = D - (2 D)/5 = (3 D)/5 km Time taken = ((3 D)/5)/( D/5 + (2 D)/5 ) = 1 hour ∴ 8:30 am + 1 hour = 9:30 am
How many spherical lead shots each of diameter 8.4 cm can be obtained from a rectangular solid of lead with dimension 88 cm, 63cm, 42 cm(take π 22/7)?
In triangle ABC, AD is the angle bisector of angle A. If AB = 8.4 cm and AC = 5.6 cm and DC = 2.8 cm, then the length of side BC will be:
The volume of a solid cube is 1728 m3. If whole cube is to be painted at a rate of Rs. 6.5 per m2, then what will be the cost of p...
Calculate the perimeter of a square when the area of a circle that circumscribes it is 486 square centimeters. (Assume π = 3 for calculations.)
A solid cone and a solid hemisphere have the same radius and height. If the volume of the cone is 540 cm³, find the volume of the hemisphere.
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 120˚ , then the measure of angle P is:
The length and width of a rectangle are in the ratio of 11:8. Additionally, the length of the rectangle is 54 cm less than its perimeter. Using this in...
Perimeter of a square is equal to perimeter of a rectangle, if area of square is 324 sq.cm and length of rectangle is two times that of breath. Find the...
The volume and height of a cylinder are 7986 cm3 and 21 cm. Find the radius of the cylinder.
A rectangular piece of copper foil of length 35 cm and area 770 cm2 is folded along its width to form a cylinder such that there is only one ...
