Ranjeet Kumar
2019-03-22 15:41:49

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)

2019-03-21 20:16:15

Retirement or death of a partner

Ranjeet Kumar
2019-03-09 18:01:46

Eithr male or female reproductive organs are found in the body

2019-03-05 15:28:24

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?


2019-03-05 15:28:18

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?

Ranjeet Kumar
2019-02-26 21:44:52

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:

s k sinha
2019-02-23 14:58:57

2019-02-22 15:09:12

Arrange the following words as per order in the dictionary.

(i)   Forge                  (ii)    Forget

(iii) Forgo                  (iv)  Forgive

(v)  Format

2019-02-10 21:41:43

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 ?

2019-01-19 16:52:39

निम्न पुस्तको  में से वी.एस. नायपॉल द्वारा रचयिता कौन सी पुस्तकें?