Diwali Dhamaka|Surprise Class

Surprise Test

As part of Diwali dhamaka offer,a jeweller allows a discount of 15%. Even after giving the discount, he makes a profit of 6.25%. Anil bought a gold chain which was marked at ₹ 5000. Find the cost price of this chain for the jeweller.

Super Class - Terapods (Class - Amphibia)|OMR|Super Class - Terapods (Class - Reptilia)|Super Class - Terapods (Class - Aves)|OMR|Summary

The probability that a teacher will give a surprise test during any class is 1/5. If a student is absent on two day what is the probability that he will miss atleast one test.