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exterior angle is equal to sum of interior opposite angles .can u give me a proof for it.

To produce a certain type of engine,two components are imported, component P is imported from USA and component Q is imported from japan.P and Q account for 30% and 40% of the production cost. A profit of 25% is to be made but discount of 10% is offered.US dollar appreciates by 4% and japanese yen by 32%.If marked price remains same,Then what is the change in profit percentage .

Where can i acess free daily classroom?

Hindi m a

which one is better for SSC CGL Tier-1 Quant Sarvesh K Verma or Arun Sharma?

kya ye test hindi medium me hai

ssc previous year question can you help me available in Hindi medium

In DI section, 1st video on DI. I am unable to understand 2 and 3 example as presented in the video. In ques 2, you guys have taken D>J, whereas, in ques3, answer is it cannot be determined for the same type of question. Why this discrepancy? 

5hours25mins=65/12hrs how??