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A pyramid has a square base. The side of square is 12 cm and height of pyramid is 21 cm. The pyramid is cut into 3 parts by 2 cuts parallel to its base. The cuts are at height of 7 cm and 14 cm respectively from the base. What is the difference (in cm^3 ) in the volume of top most and bottom most part? एक पिरामिड का आधार एक वर्ग है। वर्ग की भुजा 12 से.मी. तथा पिसमिड की ऊँचाई 21 से.मी. है। पिरामिड को उसके आधार के समांतर 2 कर्टावों से 3 भागों में काटा जाता है। कटाव आधार से. क्रमशः 7 से.मी. तथा 14 से.मी. को ऊँचाई पर है। सबसे ऊपर तथा सबसे नीचे के भाग के आयतन का अंतर ( से.मी.^3 में)क्या हैं।

S_(1) : Sachin has scored centuries agains all oppositons, in all countries. S_(6) : But largely, he has been dicutator, giving nightmares to quality bowlers of te world. P : There have been those rare occasions when he lokked entagled at the crease. Q : In fact, some of his most memorable essays come in adverse conditions. R : Gavaskar called him '' the closet thing to batting perfection this game has ever seen'' . S : Sachin has established his stamp over tall types of attack. When of following is the correct sequence?

Arrange the angles from smallest to largest in the triangle, where the sides are AB=7cm, BC=9cm and CA=8cm. एक त्रिभुज के कोणों को सबसे छोटे से सबसे बड़े कोण के क्रम में व्यवस्थित कीजिए, जिसकी भुजाएँ AB =7 सेमी,BC =9 सेमी तथा CA = 8 सेमी है |