A whistle giving out 450 Hz approaches a stationery observer at a speed of 33 m/s. the frequency heard by the observer in Hz is (velocity of sound = 330 m/s)
Retirement or death of a partner
Eithr male or female reproductive organs are found in the body
A metal of 8 kg contains 20% silver and rest copper. Another 12 kg of metal contains 25% silver and rest copper. What is the ratio of copper and silver in the mixture of these two metals?
In a School there are 8 teachers and 60 students. During the function each teacher got toffees that are 10% of the number of students and each student got toffees that are 50% of the number of teachers. Find how many toffees were distributed on the function?
The volume of a largest sphere than can be cut from cylindrical log of wood of base radius 1 m and height 4 m is:
Arrange the following words as per order in the
(i) Forge (ii) Forget
(iii) Forgo (iv) Forgive
Water flows in a tank 150 m × 100 m at the base,
through a pipe whose cross-section is 2 dm by 1.5 dm, at the speed of 15 km per
hour. In what time will the water be 3 metres deep ?
निम्न पुस्तको में से वी.एस. नायपॉल द्वारा रचयिता कौन सी पुस्तकें?